How To Fix /IWNGW/CM_HUB153 - Notifications will be sent without bgRFC Queue

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWNGW/CM_HUB -

• Message number: 153

• Message text: Notifications will be sent without bgRFC Queue

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWNGW/CM_HUB153 - Notifications will be sent without bgRFC Queue ?

  The SAP error message /IWNGW/CM_HUB153 Notifications will be sent without bgRFC Queue typically indicates that the system is attempting to send notifications (likely related to the SAP Gateway or some background processing) but is unable to use the bgRFC (background Remote Function Call) queue for this purpose. This can happen for several reasons, and understanding the cause and potential solutions is important for resolving the issue.
  Causes:
  
  
  bgRFC Configuration Issues: The bgRFC framework may not be properly configured in your SAP system. This could include missing or incorrect settings in the bgRFC configuration.
  
  
  Queue Issues: The bgRFC queue may be inactive, or there may be issues with the queue itself, such as it being full or having errors.
  
  
  Authorization Issues: The user or service trying to send notifications may not have the necessary authorizations to access or use the bgRFC queue.
  
  
  System Performance: If the system is under heavy load, it may not be able to process bgRFC calls efficiently, leading to fallback mechanisms being triggered.
  
  
  Network Issues: If the system is trying to communicate with another system via bgRFC and there are network issues, it may not be able to establish the connection.
  
  
  Solutions:
  
  
  Check bgRFC Configuration:
  
  Go to transaction code SLG1 to check for any logs related to bgRFC.
  Ensure that the bgRFC configuration is set up correctly. You can check the configuration in transaction SM58 for transactional RFC and SLG1 for bgRFC logs.
  
  
  
  Monitor bgRFC Queues:
  
  Use transaction SBGRFCMON to monitor the bgRFC queues. Check if there are any stuck or failed entries that need to be addressed.
  If there are issues, you may need to clear or reprocess the entries.
  
  
  
  Check Authorizations:
  
  Ensure that the user or service account has the necessary authorizations to access and use bgRFC. This may involve checking roles and profiles assigned to the user.
  
  
  
  System Performance:
  
  Monitor system performance and resource usage. If the system is under heavy load, consider optimizing performance or scheduling jobs during off-peak hours.
  
  
  
  Network Configuration:
  
  Check network settings and connectivity between systems if bgRFC is being used for inter-system communication. Ensure that firewalls or network policies are not blocking the necessary ports.
  
  
  
  Fallback Mechanism:
  
  Understand that the system will still send notifications without bgRFC, but this may lead to performance issues or delays. If bgRFC is critical for your operations, addressing the underlying issues is essential.
  
  
  
  Related Information:
  
  Documentation: Refer to SAP Help documentation for bgRFC and notifications for more detailed information on configuration and troubleshooting.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to bgRFC or the error message in question.
  Community Forums: Engage with SAP community forums or support channels for additional insights and shared experiences from other users.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to ensure that notifications are sent using the bgRFC queue as intended.