How To Fix SUPG_SGEN563 - No resources currently available for RFC group &1 (sy-subrc = &2)

SAP Error Message - Details

• Message type: E = Error

• Message class: SUPG_SGEN - Message texts for Upgrade SGEN

• Message number: 563

• Message text: No resources currently available for RFC group &1 (sy-subrc = &2)

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 SUPG_SGEN563 - No resources currently available for RFC group &1 (sy-subrc = &2) ?

  The SAP error message SUPG_SGEN563 indicates that there are no resources currently available for the specified RFC (Remote Function Call) group. This error typically occurs during the execution of background jobs or when trying to perform certain operations that require RFC connections.
  Cause:
  
  Insufficient Background Work Processes: The system may not have enough background work processes available to handle the request.
  RFC Group Configuration: The RFC group specified in the error message may not be properly configured or may not have any available resources.
  System Load: The system might be under heavy load, causing all available work processes to be occupied.
  Network Issues: There could be network issues affecting the availability of the RFC connections.
  Authorization Issues: The user or system may not have the necessary authorizations to access the specified RFC group.
  
  Solution:
  
  
  Check Background Work Processes:
  
  Go to transaction SM50 or SM66 to monitor the work processes. Ensure that there are enough background work processes available.
  If necessary, increase the number of background work processes in the instance profile.
  
  
  
  Review RFC Group Configuration:
  
  Check the configuration of the RFC group in transaction SM59. Ensure that the group is correctly set up and that the connections are active.
  
  
  
  Monitor System Load:
  
  Use transaction ST03N to analyze the workload and see if the system is under heavy load. If so, consider optimizing the workload or scheduling jobs during off-peak hours.
  
  
  
  Check Network Connectivity:
  
  Ensure that there are no network issues affecting the RFC connections. You can test the connections using transaction SM59.
  
  
  
  Review Authorizations:
  
  Ensure that the user or system has the necessary authorizations to access the RFC group. Check the roles and profiles assigned to the user.
  
  
  
  Restart the RFC Destination:
  
  If the issue persists, try restarting the RFC destination or the application server.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM50 / SM66: Monitor work processes.
  SM59: Manage RFC destinations.
  ST03N: Analyze workload and performance.
  
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  
  System Logs: Review system logs (transaction SM21) for any related error messages that could provide more context.
  
  
  By following these steps, you should be able to identify and resolve the issue causing the SUPG_SGEN563 error message. If the problem persists, consider reaching out to SAP support for further assistance.