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2954035 - IAS error: Not supported attribute


User is trying to login to an application through IAS, however the authentication is failing. The application login page is coming up after authentication in IAS.

In the Troubleshooting log, the following error is displayed:

message=Identity Provider could not process the authentication request received due to error on its own Not supported attribute.loginName

Meanwhile SAML trace has the following nameid-format:

<NameID Format="urn:oasis:names:tc:SAML:1.1:nameid-format:emailAddress"><email_address></NameID>



SAP Cloud Platform Identity Authentication Service


    Identity Authentication 1.0


    IAS, attribute, not supported, loginName, Not supported attribute.loginName , KBA , BC-IAM-IDS , Identity Authentication Service , Problem

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