How To Fix SAML2004 - Failed to generate the XML data using ST program &1

SAP Error Message - Details

• Message type: E = Error

• Message class: SAML2 - SAML2 Nachrichten

• Message number: 004

• Message text: Failed to generate the XML data using ST program &1

What causes this issue?

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System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SAML2004 - Failed to generate the XML data using ST program &1 ?

  The SAP error message SAML2004 indicates that there was a failure in generating XML data using the specified ST (Service Type) program. This error typically occurs in the context of Single Sign-On (SSO) configurations, particularly when dealing with SAML (Security Assertion Markup Language) assertions.
  Causes:
  
  Configuration Issues: Incorrect configuration of the SAML settings in the SAP system can lead to this error. This includes issues with the Identity Provider (IdP) or Service Provider (SP) settings.
  Missing or Incorrect Parameters: The ST program may be missing required parameters or may have incorrect values that prevent it from generating the XML data.
  Authorization Issues: The user executing the ST program may not have the necessary authorizations to perform the operation.
  System Errors: There may be underlying system issues, such as connectivity problems with the IdP or issues with the SAP system itself.
  Version Compatibility: Incompatibility between the SAP system version and the SAML implementation can also lead to this error.
  
  Solutions:
  
  Check Configuration: Review the SAML configuration settings in the SAP system. Ensure that all parameters are correctly set up, including the IdP and SP configurations.
  Verify Parameters: Ensure that all required parameters for the ST program are provided and are correct. This may involve checking the input values and ensuring they conform to expected formats.
  Review Authorizations: Check the user authorizations for the user executing the ST program. Ensure that they have the necessary permissions to perform the operation.
  Check Logs: Review the SAP system logs (transaction codes such as SLG1) for any additional error messages or warnings that may provide more context about the failure.
  Test Connectivity: If applicable, test the connectivity to the IdP to ensure that there are no network issues preventing communication.
  Update SAP System: If the issue is related to version compatibility, consider updating the SAP system to a version that is compatible with the SAML implementation being used.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on SAML configuration.
  Documentation: Review the official SAP documentation on SAML and SSO configurations for best practices and troubleshooting steps.
  Community Forums: Engage with SAP community forums or support channels for additional insights and experiences from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be necessary to contact SAP support for further assistance.