409 Conflict

The HTTP 409 Conflict response status code indicates a request conflict with the current state of the target resource.

Conflicts are most likely to occur in response to a PUT request. For example, you may get a 409 response when uploading a file that is older than the existing one on the server, resulting in a version control conflict.

Status

409 Conflict

Specifications

Specification
Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
# status.409

Browser compatibility

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See also