[FIG(quote)[
[FIGCAPTION[
[1] [CITE[OAuth / ProblemReporting]]
([TIME[2015-03-05 14:56:51 +09:00]] 版)
<http://wiki.oauth.net/w/page/12238543/ProblemReporting>
]FIGCAPTION]

> If the Service Provider also supports the custom response data format extension, the return status code and text should be added as an oauth parameter "oauth_error_code" and "oauth_error_text" inside the "response" object along with "oauth_problem" and other related parameters to this extension.

]FIG]