http · http/422
422
Unprocessable Content
The request was well-formed but could not be followed due to semantic errors in the contained instructions.
Also defined in
- sip Session Interval Too Small The Session-Expires value in the request is smaller than the minimum timer value supported by the server. The response includes a Min-SE header indicating the minimum acceptable interval.
- smtp Mailbox full The recipient mailbox has exceeded its storage quota. The message may be retried later if the mailbox is cleared.
- webdav Unprocessable Content Originally introduced by WebDAV (RFC 2518, section 10.3) to indicate that the request was syntactically well-formed XML but semantically invalid — for example, a PROPPATCH body containing unrecognised property values. Now adopted into the base HTTP specification (RFC 9110).