+**422** commonly refers to [HTTP status](/wiki/HTTP_status) code 422, "Unprocessable Entity". This server response indicates that the server understands the content type of the [request entity](/wiki/Request_entity) but cannot process the contained instructions. It signals a semantic error in the request.
+## See also
+- [Web Development](/wiki/Web_Development)
+- [API](/wiki/API)
+- [Error Handling](/wiki/Error_Handling)
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