---
title: "Errors were encountered while post-processing some events"
method: POST
path: "events_errors"
---

# Errors were encountered while post-processing some events

`POST events_errors` (webhook)

Errors were encountered while post-processing some events

## Headers

- `X-Lago-Signature` string, required
- `X-Lago-Signature-Algorithm` 'jwt' | 'hmac', required
- `X-Lago-Unique-Key` string, uuid, required

## Payload

- object
  - `webhook_type` 'events.errors', required
  - `object_type` 'events_errors', required
  - `organization_id` string, uuid, required: Unique identifier of the organization, created by Lago.
  - `events_errors` EventsErrorsObject, required
    - `invalid_code` string[], required: List of event transaction_id with an invalid code
    - `missing_aggregation_property` string[], required: List of event transaction_id with a missing aggregation property
    - `invalid_filter_values` string[], required: List of event transaction_id with invalid filter values
    - `missing_group_key` string[], nullable, required: **Deprecated.** List of event transaction_id with a missing group key. The key is always sent, and its value is always `null`.

## Acknowledgement `200`

Return a 200 status to indicate that the data was received successfully

---

[API](https://skmtc.dev/getlago/apis/lago-api-documentation.md) - [All operations](https://skmtc.dev/getlago/apis/lago-api-documentation/llms.txt) - [OpenAPI document](https://skmtc.dev/getlago/apis/lago-api-documentation/revisions/b216574b9612?raw)