Changes to Retrieve bulk update status

the response's body type changed from object to no type for status 4XX

the errors/items response's property type changed from object to no type for status 4XX

the errors/items/code response's property type changed from integer to string, and format from int32 to no format for status 4XX

the response's body type changed from no type to object for status 4XX

the errors/items response's property type changed from no type to object for status 4XX

the errors/items/code response's property type changed from string to integer, and format from no format to int32 for status 4XX

the errors/items/source/pointer response's property format changed from json-pointer to no format for status 4XX