File already exists

HTTP 412 · already-exists — ← all Webpath errors

If-None-Match: * was set, but a file already exists at this path.

How to recover. Drop the create-only precondition to overwrite, or choose a new path.

Example response

{
  "type": "https://muse.as/a/webpath/errors/already-exists",
  "title": "File already exists",
  "status": 412,
  "detail": "Drop the create-only precondition to overwrite, or choose a new path."
}

This page documents the already-exists error type returned in Webpath RFC 7807 application/problem+json responses. The machine-readable detail field carries a recovery hint you can show a user verbatim — see the Spec §12 and API Reference.