HTTP 406 status code

406 Not Acceptable

The content characteristics of the requested resource cannot satisfy the conditions in the request header, so the response entity cannot be generated.

Unless this is a HEAD request, the response should be 406 Not Acceptable

The content characteristics of the requested resource cannot satisfy the conditions in the request header, so the response entity cannot be generated.

Unless this is a HEAD request, the response should return an entity containing a list of entity attributes and addresses from which the user or browser can choose the most appropriate. The format of the entity is determined by the media type defined in the Content-Type header. The browser can make its own best choice based on the format and its capabilities. However, the specification does not define any criteria for making such automatic selections. Returns an entity containing a list of entity attributes and addresses that the user or browser can select the most appropriate from. The format of the entity is determined by the media type defined in the Content-Type header. The browser can make its own best choice based on the format and its capabilities. However, the specification does not define any criteria for making such automatic selections.