409

Conflict

4xx Client Error

The request conflicts with the current state of the server.

Common Causes

  • Duplicate resource
  • Version conflict
  • Concurrent modification

How to Fix

  • Refresh and retry
  • Check for duplicates
  • Use optimistic locking

About HTTP 409

HTTP 409 Conflict is a client error response status code. This indicates that the client seems to have made an error in the request.

408 Request Timeout410 Gone

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Related Status Codes

400 Bad Request401 Unauthorized403 Forbidden404 Not Found405 Method Not Allowed406 Not Acceptable408 Request Timeout410 Gone