How To Fix /IWNGW/CM_BEP_OUT007 - System failure or communication failure while calling hub

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWNGW/CM_BEP_OUT -

• Message number: 007

• Message text: System failure or communication failure while calling hub

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWNGW/CM_BEP_OUT007 - System failure or communication failure while calling hub ?

  The SAP error message /IWNGW/CM_BEP_OUT007 typically indicates a system failure or communication failure when trying to call a hub, often related to the SAP Gateway or the backend system. This error can arise from various issues, including network problems, configuration errors, or issues with the SAP Gateway itself.
  Causes:
  
  Network Issues: Problems with the network connection between the SAP system and the hub can lead to communication failures.
  Configuration Errors: Incorrect settings in the SAP Gateway or the backend system can prevent successful communication.
  Service Unavailability: The service you are trying to access on the hub may be down or not properly configured.
  Authorization Issues: The user may not have the necessary permissions to access the service.
  Timeouts: Long response times from the hub can lead to timeouts and subsequent failures.
  Backend System Issues: The backend system may be experiencing issues that prevent it from processing requests.
  
  Solutions:
  
  Check Network Connectivity: Ensure that there is proper network connectivity between the SAP system and the hub. You can use tools like ping or traceroute to diagnose network issues.
  Review Configuration: Verify the configuration settings in the SAP Gateway and the backend system. Ensure that the service is correctly defined and activated.
  Check Service Availability: Make sure that the service you are trying to call is up and running. You can check this in the SAP Gateway using transaction /IWFND/MAINT_SERVICE.
  Review Authorizations: Ensure that the user has the necessary authorizations to access the service. You can check this in transaction SU53 after the error occurs.
  Increase Timeout Settings: If timeouts are an issue, consider increasing the timeout settings in the SAP Gateway configuration.
  Check Backend System Logs: Look at the logs of the backend system for any errors or issues that might be causing the failure.
  Monitor System Performance: Use transaction ST22 to check for dumps or SM21 for system logs that might provide more insight into the issue.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error. You can search the SAP Support Portal for notes related to /IWNGW/CM_BEP_OUT007.
  Transaction Codes:
  
  /IWFND/MAINT_SERVICE: To manage OData services.
  SM21: To view system logs.
  ST22: To check for dumps.
  SU53: To analyze authorization issues.
  
  
  SAP Community: Consider searching or posting in the SAP Community forums for additional insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be necessary to engage SAP support for further assistance.