How To Fix /IWFND/CM_BEC011 - Unknown RFC communication failure with error code: '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWFND/CM_BEC -

• Message number: 011

• Message text: Unknown RFC communication failure with error code: '&1'

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 /IWFND/CM_BEC011 - Unknown RFC communication failure with error code: '&1' ?

  The SAP error message /IWFND/CM_BEC011 Unknown RFC communication failure with error code: '&1' typically indicates that there is an issue with the Remote Function Call (RFC) communication between the SAP Gateway and the backend system. This error can arise due to various reasons, and understanding the cause is crucial for troubleshooting.
  Possible Causes:
  
  Network Issues: There may be network connectivity problems between the SAP Gateway and the backend system.
  RFC Destination Configuration: The RFC destination may not be configured correctly in the SAP system. This includes incorrect parameters or missing entries.
  Backend System Down: The backend system might be down or not reachable due to maintenance or other issues.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations.
  Timeouts: The RFC call may be timing out due to long processing times or heavy load on the backend system.
  SAP Notes: There may be known issues or bugs that have been addressed in SAP Notes that need to be applied.
  
  Solutions:
  
  Check Network Connectivity: Ensure that the network connection between the SAP Gateway and the backend system is stable and functioning. You can use tools like ping or traceroute to diagnose network issues.
  Verify RFC Destination:
  
  Go to transaction SM59 in the SAP GUI.
  Check the configuration of the RFC destination used by the Gateway.
  Test the connection to ensure it is working correctly.
  
  
  Check Backend System Status: Ensure that the backend system is up and running. You can check the system logs or use transaction SM51 to see the status of application servers.
  Review Authorizations: Ensure that the user credentials used for the RFC connection have the necessary authorizations to perform the required actions.
  Increase Timeout Settings: If timeouts are an issue, consider increasing the timeout settings in the RFC destination configuration.
  Check SAP Notes: Search for relevant SAP Notes that might address this specific error. You can use the SAP Support Launchpad to find applicable notes.
  Review Logs: Check the Gateway logs (transaction /IWFND/ERROR_LOG) and the backend system logs for more detailed error messages that can provide additional context.
  
  Related Information:
  
  Transaction Codes:
  
  SM59: RFC Destination Configuration
  /IWFND/ERROR_LOG: Gateway Error Log
  SM21: System Log
  ST22: Dump Analysis
  
  
  SAP Notes: Regularly check for updates or patches that may resolve known issues related to RFC communication.
  Documentation: Review SAP documentation for the specific version you are using, as there may be version-specific considerations.
  
  By following these steps, you should be able to identify and resolve the underlying cause of the RFC communication failure indicated by the error message /IWFND/CM_BEC011.