--- title: "Changes to Create a train schedule exception" method: POST path: "/timetable/{id}/train_schedule_exception" --- # Changes to Create a train schedule exception `POST /timetable/{id}/train_schedule_exception` > Every recorded change to this endpoint, newest first. > 77 revisions in range; 2 not diffed. ## Timeline Changed in 26 of 77 revisions. - **2026-08-07** `e2b32620136e` — 2 info - **2026-08-07** `59dc24ec18ec` — 2 warning - **2026-08-05** `654079121ca5` — 2 info - **2026-08-03** `1840dbbd64ac` — 2 breaking, 2 info - **2026-08-03** `dff80f0a6343` — 2 breaking, 2 warning, 2 info - **2026-07-31** `32ca346a5add` — 2 breaking, 4 info - **2026-07-29** `62dbae65a593` — 2 breaking, 2 info - **2026-07-21** `fa2c0899ac36` — 2 breaking, 2 info - **2026-07-20** `044d0e3024fc` — 4 info - **2026-07-17** `73f0d9b8f23a` — 2 breaking, 6 warning, 2 info - **2026-07-17** `ccb1c170fd30` — 2 breaking, 8 info - **2026-07-16** `f53d83a86a3d` — 4 warning - **2026-07-07** `9eaeff932763` — 4 info - **2026-06-10** `d3c96c71cacc` — 2 breaking, 4 warning, 2 info - **2026-06-10** `534e56b95a11` — 4 breaking, 7 info - **2026-06-02** `eac3722025f5` — 4 breaking, 4 info - **2026-06-02** `493896ca3a79` — 4 breaking, 2 info - **2026-06-02** `30b1a910e482` — 4 breaking, 4 info - **2026-06-01** `19436075117f` — 4 breaking, 2 info - **2026-05-29** `5f13ce93d42f` — 2 breaking - **2026-05-19** `2af1eaa6f25d` — 2 breaking - **2026-05-12** `8e6b47d9f599` — 4 breaking, 4 info - **2026-05-11** `abd98d1fe2e2` — 6 breaking, 2 info - **2026-05-06** `42b075bbf7a2` — 6 breaking, 4 info - **2026-05-05** `1c296443ffe3` — 4 breaking, 2 info - **2026-05-04** `79795fda6cad` — 2 breaking ## Changes - **2026-08-07** `e2b32620136e` — 2 info - added the new optional request property `change_groups/path_and_schedule/schedule/items/can_backtrack` - added the optional property `change_groups/path_and_schedule/schedule/items/can_backtrack` to the response with the `200` status - **2026-08-07** `59dc24ec18ec` — 2 warning - removed the request property `change_groups/path_and_schedule/schedule/items/can_backtrack` - removed the optional property `change_groups/path_and_schedule/schedule/items/can_backtrack` from the response with the `200` status - **2026-08-05** `654079121ca5` — 2 info - added the new optional request property `change_groups/path_and_schedule/schedule/items/can_backtrack` - added the optional property `change_groups/path_and_schedule/schedule/items/can_backtrack` to the response with the `200` status - **2026-08-03** `1840dbbd64ac` — 2 breaking, 2 info - removed `subschema #2: OperationalPointReferenceTrigram` from the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` request property `oneOf` list - added `subschema #2: OperationalPointReferenceDomestic` to the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` response property `oneOf` list for the response status `200` - added `subschema #2: OperationalPointReferenceDomestic` to the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` request property `oneOf` list - removed `subschema #2: OperationalPointReferenceTrigram` from the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` response property `oneOf` list for the response status `200` - **2026-08-03** `dff80f0a6343` — 2 breaking, 2 warning, 2 info - removed `subschema #2: OperationalPointReferenceDomestic` from the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` request property `oneOf` list - added `subschema #2: OperationalPointReferenceTrigram` to the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` response property `oneOf` list for the response status `200` - removed the request property `change_groups/path_and_schedule/schedule/items/can_backtrack` - removed the optional property `change_groups/path_and_schedule/schedule/items/can_backtrack` from the response with the `200` status - added `subschema #2: OperationalPointReferenceTrigram` to the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` request property `oneOf` list - removed `subschema #2: OperationalPointReferenceDomestic` from the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` response property `oneOf` list for the response status `200` - **2026-07-31** `32ca346a5add` — 2 breaking, 4 info - removed `subschema #2: OperationalPointReferenceTrigram` from the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` request property `oneOf` list - added `subschema #2: OperationalPointReferenceDomestic` to the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` response property `oneOf` list for the response status `200` - added the new optional request property `change_groups/path_and_schedule/schedule/items/can_backtrack` - added `subschema #2: OperationalPointReferenceDomestic` to the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` request property `oneOf` list - added the optional property `change_groups/path_and_schedule/schedule/items/can_backtrack` to the response with the `200` status - removed `subschema #2: OperationalPointReferenceTrigram` from the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` response property `oneOf` list for the response status `200` - **2026-07-29** `62dbae65a593` — 2 breaking, 2 info - removed `subschema #2: OperationalPointReferenceDomestic` from the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` request property `oneOf` list - added `subschema #2: OperationalPointReferenceTrigram` to the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` response property `oneOf` list for the response status `200` - added `subschema #2: OperationalPointReferenceTrigram` to the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` request property `oneOf` list - removed `subschema #2: OperationalPointReferenceDomestic` from the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` response property `oneOf` list for the response status `200` - **2026-07-21** `fa2c0899ac36` — 2 breaking, 2 info - removed `subschema #2: OperationalPointReferenceTrigram` from the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` request property `oneOf` list - added `subschema #2: OperationalPointReferenceDomestic` to the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` response property `oneOf` list for the response status `200` - added `subschema #2: OperationalPointReferenceDomestic` to the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` request property `oneOf` list - removed `subschema #2: OperationalPointReferenceTrigram` from the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` response property `oneOf` list for the response status `200` - **2026-07-20** `044d0e3024fc` — 4 info - added the new optional request property `change_groups/path_and_schedule/schedule/items/reference_base_arrival` - added the new optional request property `change_groups/path_and_schedule/schedule/items/reference_position` - added the optional property `change_groups/path_and_schedule/schedule/items/reference_base_arrival` to the response with the `200` status - added the optional property `change_groups/path_and_schedule/schedule/items/reference_position` to the response with the `200` status - **2026-07-17** `73f0d9b8f23a` — 2 breaking, 6 warning, 2 info - removed `subschema #2: OperationalPointReferenceDomestic` from the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` request property `oneOf` list - added `subschema #2: OperationalPointReferenceTrigram` to the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` response property `oneOf` list for the response status `200` - removed the request property `change_groups/path_and_schedule/schedule/items/can_backtrack` - removed the request property `change_groups/path_and_schedule/schedule/items/reference_base_arrival` - removed the request property `change_groups/path_and_schedule/schedule/items/reference_position` - removed the optional property `change_groups/path_and_schedule/schedule/items/can_backtrack` from the response with the `200` status - removed the optional property `change_groups/path_and_schedule/schedule/items/reference_base_arrival` from the response with the `200` status - removed the optional property `change_groups/path_and_schedule/schedule/items/reference_position` from the response with the `200` status - added `subschema #2: OperationalPointReferenceTrigram` to the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` request property `oneOf` list - removed `subschema #2: OperationalPointReferenceDomestic` from the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` response property `oneOf` list for the response status `200` - **2026-07-17** `ccb1c170fd30` — 2 breaking, 8 info - removed `subschema #2: OperationalPointReferenceTrigram` from the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` request property `oneOf` list - added `subschema #2: OperationalPointReferenceDomestic` to the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` response property `oneOf` list for the response status `200` - added the new optional request property `change_groups/path_and_schedule/schedule/items/can_backtrack` - added the new optional request property `change_groups/path_and_schedule/schedule/items/reference_base_arrival` - added the new optional request property `change_groups/path_and_schedule/schedule/items/reference_position` - added `subschema #2: OperationalPointReferenceDomestic` to the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` request property `oneOf` list - added the optional property `change_groups/path_and_schedule/schedule/items/can_backtrack` to the response with the `200` status - added the optional property `change_groups/path_and_schedule/schedule/items/reference_base_arrival` to the response with the `200` status - added the optional property `change_groups/path_and_schedule/schedule/items/reference_position` to the response with the `200` status - removed `subschema #2: OperationalPointReferenceTrigram` from the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` response property `oneOf` list for the response status `200` - **2026-07-16** `f53d83a86a3d` — 4 warning - removed the request property `change_groups/path_and_schedule/schedule/items/reference_base_arrival` - removed the request property `change_groups/path_and_schedule/schedule/items/reference_position` - removed the optional property `change_groups/path_and_schedule/schedule/items/reference_base_arrival` from the response with the `200` status - removed the optional property `change_groups/path_and_schedule/schedule/items/reference_position` from the response with the `200` status - **2026-07-07** `9eaeff932763` — 4 info - added the new optional request property `change_groups/path_and_schedule/schedule/items/reference_base_arrival` - added the new optional request property `change_groups/path_and_schedule/schedule/items/reference_position` - added the optional property `change_groups/path_and_schedule/schedule/items/reference_base_arrival` to the response with the `200` status - added the optional property `change_groups/path_and_schedule/schedule/items/reference_position` to the response with the `200` status - **2026-06-10** `d3c96c71cacc` — 2 breaking, 4 warning, 2 info - removed `subschema #2: OperationalPointReferenceDomestic` from the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` request property `oneOf` list - added `subschema #2: OperationalPointReferenceTrigram` to the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` response property `oneOf` list for the response status `200` - removed the request property `change_groups/path_and_schedule/schedule/items/reference_base_arrival` - removed the request property `change_groups/path_and_schedule/schedule/items/reference_position` - removed the optional property `change_groups/path_and_schedule/schedule/items/reference_base_arrival` from the response with the `200` status - removed the optional property `change_groups/path_and_schedule/schedule/items/reference_position` from the response with the `200` status - added `subschema #2: OperationalPointReferenceTrigram` to the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` request property `oneOf` list - removed `subschema #2: OperationalPointReferenceDomestic` from the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` response property `oneOf` list for the response status `200` - **2026-06-10** `534e56b95a11` — 4 breaking, 7 info - the request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #3: OperationalPointReferenceUic]/secondary_code` became not nullable - removed `subschema #2: OperationalPointReferenceTrigram` from the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` request property `oneOf` list - response property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #3: OperationalPointReferenceUic]/secondary_code` list-of-types was widened by adding types `null` to media type `application/json` of response `200` - added `subschema #2: OperationalPointReferenceDomestic` to the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` response property `oneOf` list for the response status `200` - added the new optional request property `change_groups/path_and_schedule/schedule/items/reference_base_arrival` - added the new optional request property `change_groups/path_and_schedule/schedule/items/reference_position` - request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #3: OperationalPointReferenceUic]/secondary_code` list-of-types was widened by adding types `null` to media type `application/json` - added `subschema #2: OperationalPointReferenceDomestic` to the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` request property `oneOf` list - added the optional property `change_groups/path_and_schedule/schedule/items/reference_base_arrival` to the response with the `200` status - added the optional property `change_groups/path_and_schedule/schedule/items/reference_position` to the response with the `200` status - removed `subschema #2: OperationalPointReferenceTrigram` from the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` response property `oneOf` list for the response status `200` - **2026-06-02** `eac3722025f5` — 4 breaking, 4 info - request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #2: OperationalPointReferenceTrigram]/secondary_code` list-of-types was narrowed by removing types `null` from media type `application/json` - request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #3: OperationalPointReferenceUic]/secondary_code` list-of-types was narrowed by removing types `null` from media type `application/json` - the response property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #2: OperationalPointReferenceTrigram]/secondary_code` became nullable for the status `200` - the response property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #3: OperationalPointReferenceUic]/secondary_code` became nullable for the status `200` - the request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #2: OperationalPointReferenceTrigram]/secondary_code` became nullable - the request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #3: OperationalPointReferenceUic]/secondary_code` became nullable - response property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #2: OperationalPointReferenceTrigram]/secondary_code` list-of-types was narrowed by removing types `null` from media type `application/json` of response `200` - response property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #3: OperationalPointReferenceUic]/secondary_code` list-of-types was narrowed by removing types `null` from media type `application/json` of response `200` - **2026-06-02** `493896ca3a79` — 4 breaking, 2 info - the request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #2: OperationalPointReferenceTrigram]/secondary_code` became not nullable - the request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #3: OperationalPointReferenceUic]/secondary_code` became not nullable - response property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #2: OperationalPointReferenceTrigram]/secondary_code` list-of-types was widened by adding types `null` to media type `application/json` of response `200` - response property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #3: OperationalPointReferenceUic]/secondary_code` list-of-types was widened by adding types `null` to media type `application/json` of response `200` - request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #2: OperationalPointReferenceTrigram]/secondary_code` list-of-types was widened by adding types `null` to media type `application/json` - request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #3: OperationalPointReferenceUic]/secondary_code` list-of-types was widened by adding types `null` to media type `application/json` - **2026-06-02** `30b1a910e482` — 4 breaking, 4 info - request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #2: OperationalPointReferenceTrigram]/secondary_code` list-of-types was narrowed by removing types `null` from media type `application/json` - request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #3: OperationalPointReferenceUic]/secondary_code` list-of-types was narrowed by removing types `null` from media type `application/json` - the response property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #2: OperationalPointReferenceTrigram]/secondary_code` became nullable for the status `200` - the response property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #3: OperationalPointReferenceUic]/secondary_code` became nullable for the status `200` - the request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #2: OperationalPointReferenceTrigram]/secondary_code` became nullable - the request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #3: OperationalPointReferenceUic]/secondary_code` became nullable - response property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #2: OperationalPointReferenceTrigram]/secondary_code` list-of-types was narrowed by removing types `null` from media type `application/json` of response `200` - response property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #3: OperationalPointReferenceUic]/secondary_code` list-of-types was narrowed by removing types `null` from media type `application/json` of response `200` - **2026-06-01** `19436075117f` — 4 breaking, 2 info - the request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #2: OperationalPointReferenceTrigram]/secondary_code` became not nullable - the request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #3: OperationalPointReferenceUic]/secondary_code` became not nullable - response property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #2: OperationalPointReferenceTrigram]/secondary_code` list-of-types was widened by adding types `null` to media type `application/json` of response `200` - response property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #3: OperationalPointReferenceUic]/secondary_code` list-of-types was widened by adding types `null` to media type `application/json` of response `200` - request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #2: OperationalPointReferenceTrigram]/secondary_code` list-of-types was widened by adding types `null` to media type `application/json` - request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #3: OperationalPointReferenceUic]/secondary_code` list-of-types was widened by adding types `null` to media type `application/json` - **2026-05-29** `5f13ce93d42f` — 2 breaking - the `change_groups/start_time/value` request property type/format changed from `string`/`date-time` to `integer`/`int64` - the `change_groups/start_time/value` response's property type/format changed from `string`/`date-time` to `integer`/`int64` for status `200` - **2026-05-19** `2af1eaa6f25d` — 2 breaking - the `change_groups/start_time/value` request property type/format changed from `integer`/`int64` to `string`/`date-time` - the `change_groups/start_time/value` response's property type/format changed from `integer`/`int64` to `string`/`date-time` for status `200` - **2026-05-12** `8e6b47d9f599` — 4 breaking, 4 info - request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #2: OperationalPointReferenceTrigram]/secondary_code` list-of-types was narrowed by removing types `null` from media type `application/json` - request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #3: OperationalPointReferenceUic]/secondary_code` list-of-types was narrowed by removing types `null` from media type `application/json` - the response property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #2: OperationalPointReferenceTrigram]/secondary_code` became nullable for the status `200` - the response property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #3: OperationalPointReferenceUic]/secondary_code` became nullable for the status `200` - the request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #2: OperationalPointReferenceTrigram]/secondary_code` became nullable - the request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #3: OperationalPointReferenceUic]/secondary_code` became nullable - response property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #2: OperationalPointReferenceTrigram]/secondary_code` list-of-types was narrowed by removing types `null` from media type `application/json` of response `200` - response property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #3: OperationalPointReferenceUic]/secondary_code` list-of-types was narrowed by removing types `null` from media type `application/json` of response `200` - **2026-05-11** `abd98d1fe2e2` — 6 breaking, 2 info - the request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #2: OperationalPointReferenceTrigram]/secondary_code` became not nullable - the request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #3: OperationalPointReferenceUic]/secondary_code` became not nullable - the `change_groups/start_time/value` request property type/format changed from `string`/`date-time` to `integer`/`int64` - response property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #2: OperationalPointReferenceTrigram]/secondary_code` list-of-types was widened by adding types `null` to media type `application/json` of response `200` - response property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #3: OperationalPointReferenceUic]/secondary_code` list-of-types was widened by adding types `null` to media type `application/json` of response `200` - the `change_groups/start_time/value` response's property type/format changed from `string`/`date-time` to `integer`/`int64` for status `200` - request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #2: OperationalPointReferenceTrigram]/secondary_code` list-of-types was widened by adding types `null` to media type `application/json` - request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #3: OperationalPointReferenceUic]/secondary_code` list-of-types was widened by adding types `null` to media type `application/json` - **2026-05-06** `42b075bbf7a2` — 6 breaking, 4 info - request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #2: OperationalPointReferenceTrigram]/secondary_code` list-of-types was narrowed by removing types `null` from media type `application/json` - request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #3: OperationalPointReferenceUic]/secondary_code` list-of-types was narrowed by removing types `null` from media type `application/json` - the `change_groups/start_time/value` request property type/format changed from `integer`/`int64` to `string`/`date-time` - the response property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #2: OperationalPointReferenceTrigram]/secondary_code` became nullable for the status `200` - the response property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #3: OperationalPointReferenceUic]/secondary_code` became nullable for the status `200` - the `change_groups/start_time/value` response's property type/format changed from `integer`/`int64` to `string`/`date-time` for status `200` - the request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #2: OperationalPointReferenceTrigram]/secondary_code` became nullable - the request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #3: OperationalPointReferenceUic]/secondary_code` became nullable - response property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #2: OperationalPointReferenceTrigram]/secondary_code` list-of-types was narrowed by removing types `null` from media type `application/json` of response `200` - response property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #3: OperationalPointReferenceUic]/secondary_code` list-of-types was narrowed by removing types `null` from media type `application/json` of response `200` - **2026-05-05** `1c296443ffe3` — 4 breaking, 2 info - the request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #2: OperationalPointReferenceTrigram]/secondary_code` became not nullable - the request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #3: OperationalPointReferenceUic]/secondary_code` became not nullable - response property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #2: OperationalPointReferenceTrigram]/secondary_code` list-of-types was widened by adding types `null` to media type `application/json` of response `200` - response property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #3: OperationalPointReferenceUic]/secondary_code` list-of-types was widened by adding types `null` to media type `application/json` of response `200` - request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #2: OperationalPointReferenceTrigram]/secondary_code` list-of-types was widened by adding types `null` to media type `application/json` - request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #3: OperationalPointReferenceUic]/secondary_code` list-of-types was widened by adding types `null` to media type `application/json` - **2026-05-04** `79795fda6cad` — 2 breaking - the `change_groups/start_time/value` request property type/format changed from `string`/`date-time` to `integer`/`int64` - the `change_groups/start_time/value` response's property type/format changed from `string`/`date-time` to `integer`/`int64` for status `200` --- [Operation](https://skmtc.dev/openrailassociation/apis/osrd-editoast/docs/timetable/:id/train_schedule_exception/post.md) · [API](https://skmtc.dev/openrailassociation/apis/osrd-editoast.md) · [Page](https://skmtc.dev/openrailassociation/apis/osrd-editoast/changes/timetable/:id/train_schedule_exception/post)