How To Fix SAML2132 - SAML 2.0 attribute '&1' was not found

SAP Error Message - Details

• Message type: E = Error

• Message class: SAML2 - SAML2 Nachrichten

• Message number: 132

• Message text: SAML 2.0 attribute '&1' was not found

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SAML2132 - SAML 2.0 attribute '&1' was not found ?

  The SAP error message SAML2132 indicates that a required SAML 2.0 attribute, specified by &1, was not found in the SAML assertion during the authentication process. This typically occurs in scenarios where Single Sign-On (SSO) is implemented using SAML.
  Cause:
  
  Missing Attribute in SAML Assertion: The SAML assertion sent by the Identity Provider (IdP) does not include the required attribute. This could be due to misconfiguration on the IdP side.
  Attribute Mapping Issues: The attribute may not be correctly mapped in the IdP configuration, meaning that the IdP is not sending the expected attribute.
  Incorrect Configuration in SAP: The SAP system may be expecting a different attribute name or format than what is being sent by the IdP.
  Network or Communication Issues: There may be issues in the communication between the SAP system and the IdP, leading to incomplete or missing assertions.
  
  Solution:
  
  
  Check IdP Configuration:
  
  Verify that the IdP is configured to send the required attribute in the SAML assertion. This may involve checking the attribute mappings and ensuring that the attribute is included in the SAML response.
  Ensure that the attribute name matches what the SAP system expects.
  
  
  
  Review SAP Configuration:
  
  In the SAP system, check the SAML configuration settings to ensure that the expected attributes are correctly defined.
  Make sure that the attribute names in the SAP system match those being sent by the IdP.
  
  
  
  Test SAML Assertion:
  
  Use tools like SAML Tracer (a browser extension) or other SAML debugging tools to capture and analyze the SAML assertion being sent from the IdP to the SAP system. Look for the presence of the required attribute and its value.
  
  
  
  Consult Documentation:
  
  Refer to the documentation for both the IdP and SAP regarding SAML configuration to ensure that all settings are correctly applied.
  
  
  
  Contact Support:
  
  If the issue persists after checking configurations, consider reaching out to the support teams for both the IdP and SAP for further assistance.
  
  
  
  Related Information:
  
  SAML Assertions: These are XML documents that contain the authentication and authorization information about a user. They are sent from the IdP to the Service Provider (SP), which in this case is the SAP system.
  Attribute Mapping: This is the process of linking user attributes from the IdP to the attributes expected by the SAP system. Proper mapping is crucial for successful SSO.
  SAP SSO Configuration: Familiarize yourself with the SAP SSO configuration settings, which can be found in the SAP Help Portal or relevant SAP documentation.
  
  By following these steps, you should be able to identify and resolve the issue related to the SAML2132 error message.