Invalid Request - RawCredentialExpectedNotFound - No Credential was included in the sign-in request. Example: user is performing certificate-based authentication (CBA) and no certificate is sent (or Proxy removes) the user's certificate in the sign-in request.
修改记录:Extracted official AADSTS table; Markdown stripped; short English error name selected; original Korean product context added. Official general diagnostic guide is distinguished from code-specific troubleshooting. Documentation license explicitly granted by README Legal Notices; repository LICENSE currently contains MIT terms, also retained as evidence. 译文说明已标注为自动翻译。