How To Fix /IWNGW/CM_BEP_RT019 - Backend system alias not maintained

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWNGW/CM_BEP_RT -

• Message number: 019

• Message text: Backend system alias not maintained

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWNGW/CM_BEP_RT019 - Backend system alias not maintained ?

  The SAP error message /IWNGW/CM_BEP_RT019 Backend system alias not maintained typically occurs in the context of SAP Gateway when there is an issue with the configuration of the backend system alias. This error indicates that the system is unable to find a valid backend system alias for the service being called.
  Cause:
  
  Missing Backend System Alias: The backend system alias has not been defined in the SAP Gateway system.
  Incorrect Configuration: The backend system alias may be incorrectly configured or not properly linked to the backend system.
  Transport Issues: If the configuration was transported from another system, it may not have been transported correctly.
  Service Registration Issues: The OData service may not be registered correctly in the SAP Gateway.
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Check Backend System Alias:
  
  Go to transaction code SPRO.
  Navigate to SAP NetWeaver > Gateway > OData Channel > Configuration > Backend System Alias.
  Ensure that the backend system alias is defined and correctly configured.
  
  
  
  Create or Maintain Backend System Alias:
  
  If the alias is missing, create a new backend system alias.
  Ensure that the alias points to the correct backend system and that the connection parameters are correct.
  
  
  
  Check Service Registration:
  
  Use transaction code /IWFND/MAINT_SERVICE to check if the OData service is registered.
  If the service is not registered, you can register it from this transaction.
  
  
  
  Check Connection:
  
  Test the connection to the backend system using transaction code SM59 to ensure that the RFC connection is working properly.
  
  
  
  Transport Issues:
  
  If the configuration was transported, check the transport logs to ensure that all necessary objects were transported correctly.
  
  
  
  Check Authorization:
  
  Ensure that the user has the necessary authorizations to access the backend system.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SPRO: Customizing Implementation Guide.
  /IWFND/MAINT_SERVICE: Service Maintenance for OData services.
  SM59: RFC Destinations (Display/Maintain).
  
  
  
  Documentation: Refer to SAP Help documentation for more details on configuring SAP Gateway and backend system aliases.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message.
  
  
  By following these steps, you should be able to resolve the /IWNGW/CM_BEP_RT019 Backend system alias not maintained error in your SAP system.