httpstatuses/contents/codes/422.md

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---
set: 4
code: 422
title: Unprocessable Entity
references:
"Rails HTTP Status Symbol": ":unprocessable_entity"
---
The 422 (Unprocessable Entity) status code means the server understands the
content type of the request entity (hence a [415 (Unsupported Media Type)](/415)
status code is inappropriate), and the syntax of the request entity is correct
(thus a [400 (Bad Request)](/400) status code is inappropriate) but was unable
to process the contained instructions. For example, this error condition may
occur if an XML request body contains well-formed (i.e., syntactically correct),
but semantically erroneous, XML instructions.
Source: [RFC4918 Section 11.2][1]
[1]: <http://tools.ietf.org/html/rfc4918#section-11.2>