3774032 - error "identity provider cannot process the request" when accessing identity provider in administration console

• An error occurs when trying to access the Identity Provider section in the administration console.
• Error message: "Identity provider cannot process the request because the configuration is incorrect. Please contact your system administrator."
• Checking on troubleshooting logs the error below is present:
  
  "Attribute with name loginName is not supported. Reason: none "

• Product: SAP S/4HANA Cloud Public Edition
• Identity Authentication Service

1. Open the Identity Authentication administration console.
2. Sign in using the user's email.
3. Navigate to the Identity Provider section.
4. Observe the error message.

The affected user in Identity Authentication did not have the username/loginName attribute properly maintained;

Troubleshooting logs show: "Attribute with name loginName is not supported. Reason: none".

1. In the Identity Authentication administration console, open the affected user profile.
2. Verify that the username/loginName attribute is present and supported.
3. If it is missing, set a valid value for the username/loginName attribute and save the user.
4. Try accessing the Identity Provider section again and confirm the error no longer appears.
5. If the issue persists, collect IAS troubleshooting logs and a SAML trace and provide them to support. Refer to the articles in the See also section.

• KBA 2942816 - How to export and self-analyze Troubleshooting logs from Identity Authentication
• KBA 2461862 - Collecting SAML traces with Chrome, Edge or Firefox

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