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Error 409

409 Conflict

The 409 Conflict status code indicates that the request could not be completed due to a conflict with the current state of the target resource.

For more details, refer to RFC 7231.

Common use cases

This error typically happens with a PUT request when multiple clients are attempting to edit the same resource. To solve this issue:

  • The server should generate a payload that includes enough information for the client to recognize the source of the conflict.
  • Clients should retry the request again after resolving the conflict.

Cloudflare-specific information

Cloudflare will return a 409 response for a Error 1001: DNS Resolution Error.