How To Fix SAML2180 - No user found with SAP Global User ID '&1' (format: unspecified)

SAP Error Message - Details

• Message type: E = Error

• Message class: SAML2 - SAML2 Nachrichten

• Message number: 180

• Message text: No user found with SAP Global User ID '&1' (format: unspecified)

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message SAML2180 - No user found with SAP Global User ID '&1' (format: unspecified) ?

  The SAP error message SAML2180 indicates that the system could not find a user associated with the specified SAP Global User ID. This error typically occurs in the context of Single Sign-On (SSO) or when using Security Assertion Markup Language (SAML) for authentication.
  Cause:
  
  User Not Created: The user with the specified SAP Global User ID has not been created in the SAP system.
  Incorrect User ID: The SAP Global User ID provided in the request may be incorrect or misspelled.
  User Not Active: The user exists but is not active or has been locked.
  Configuration Issues: There may be issues with the SAML configuration, such as incorrect mappings or settings in the Identity Provider (IdP) or Service Provider (SP).
  Missing Attributes: The SAML assertion may not be sending the required attributes, or the attributes may not be correctly mapped to the SAP user.
  
  Solution:
  
  
  Verify User Creation:
  
  Check if the user with the specified SAP Global User ID exists in the SAP system. You can do this by using transaction code SU01 to search for the user.
  If the user does not exist, create the user in the SAP system.
  
  
  
  Check User ID:
  
  Ensure that the SAP Global User ID is correctly specified in the SAML assertion and matches the user in the SAP system.
  
  
  
  User Status:
  
  If the user exists, check if the user is active and not locked. You can unlock the user if necessary.
  
  
  
  Review SAML Configuration:
  
  Check the SAML configuration in both the Identity Provider and the SAP system. Ensure that the mappings for the SAP Global User ID are correctly set up.
  Verify that the SAML assertion includes the necessary attributes and that they are correctly mapped to the SAP user fields.
  
  
  
  Test SSO Configuration:
  
  Perform a test of the SSO configuration to ensure that the SAML assertions are being processed correctly and that the user information is being passed as expected.
  
  
  
  Logs and Traces:
  
  Check the SAP system logs (transaction SLG1) and the SAML trace logs for any additional error messages or clues that can help diagnose the issue.
  
  
  
  Related Information:
  
  SAML Configuration: Familiarize yourself with the SAML configuration in SAP, including the settings for the Identity Provider and Service Provider.
  User Management: Understand how user management works in SAP, including user creation, roles, and authorizations.
  SAP Documentation: Refer to SAP Help documentation for detailed guidance on SAML and SSO configurations.
  
  By following these steps, you should be able to identify the cause of the SAML2180 error and implement the necessary solutions to resolve it.