How To Fix /IWNGW/CM_BEP_OUT020 - '&1' Invalid Source ID

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWNGW/CM_BEP_OUT -

• Message number: 020

• Message text: '&1' Invalid Source ID

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWNGW/CM_BEP_OUT020 - '&1' Invalid Source ID ?

  The SAP error message /IWNGW/CM_BEP_OUT020 '&1' Invalid Source ID typically occurs in the context of SAP Gateway and is related to issues with the source ID used in a service call. This error indicates that the system is unable to recognize or validate the provided source ID, which is essential for processing the request.
  Causes:
  
  Incorrect Source ID: The source ID provided in the request may be incorrect or does not exist in the system.
  Configuration Issues: There may be configuration issues in the backend system or the Gateway service that prevent the source ID from being recognized.
  Data Inconsistency: The data in the backend system may be inconsistent or corrupted, leading to the inability to validate the source ID.
  Authorization Issues: The user or service account making the request may not have the necessary authorizations to access the specified source ID.
  Service Not Activated: The relevant OData service may not be activated in the SAP Gateway.
  
  Solutions:
  
  Verify Source ID: Check the source ID being used in the request. Ensure that it is correct and exists in the system.
  Check Configuration: Review the configuration settings in the SAP Gateway and backend system to ensure that they are set up correctly.
  Data Validation: Validate the data in the backend system to ensure that it is consistent and not corrupted.
  Authorization Check: Ensure that the user or service account has the necessary authorizations to access the source ID.
  Activate OData Service: If the OData service is not activated, go to the SAP Gateway Service Builder (transaction code /IWFND/MAINT_SERVICE) and activate the relevant service.
  Check Logs: Review the application logs (transaction code SLG1) for more detailed error messages that can provide additional context for the issue.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to the specific error message for any known issues or patches.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found.
  Documentation: Refer to the official SAP documentation for SAP Gateway and OData services for best practices and troubleshooting steps.
  
  If the issue persists after trying the above solutions, it may be necessary to involve your SAP Basis or development team for further investigation.