conflict

The row changed while your update was running.

Common causes

• Another request updated or deleted the row between the check and the write.

How to fix

Read the row again and retry.

Response

{
  "type": "https://castra.mehmetozer.dev/problems/conflict",
  "title": "…",
  "status": 409,
  "detail": "…"
}

detail says what exactly went wrong for this request.