409
Client Error
409 Conflict
The request conflicts with the current state of the server.
Description
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. This is commonly used in situations where the user might resolve the conflict and resubmit the request.
Common Causes
- Concurrent edits to the same resource
- Duplicate resource creation
- Version conflict (optimistic locking)
How to Fix
- Fetch the latest version and retry
- Implement conflict resolution logic
- Use ETags for conditional updates
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