How To Fix /SCWM/MONITOR064 - Command to tRFC/qRFC: Execute LUW again for queue &1.

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/MONITOR -

• Message number: 064

• Message text: Command to tRFC/qRFC: Execute LUW again for queue &1.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/MONITOR064 - Command to tRFC/qRFC: Execute LUW again for queue &1. ?

  The SAP error message /SCWM/MONITOR064 indicates that there is an issue with the execution of a transactional RFC (tRFC) or queued RFC (qRFC) for a specific queue. The message suggests that the system was unable to process a Logical Unit of Work (LUW) and that you should execute it again for the specified queue.
  Cause
  The error can occur due to several reasons, including:
  
  Network Issues: Temporary network problems that prevent the system from communicating with the target system.
  System Load: High system load or performance issues that cause delays in processing.
  Configuration Issues: Incorrect configuration of the tRFC/qRFC settings or the queues.
  Data Issues: Problems with the data being processed, such as missing or incorrect data.
  Lock Issues: Locks on the database or application level that prevent the LUW from being processed.
  
  Solution
  To resolve the issue, you can follow these steps:
  
  
  Check Queue Status: Use transaction code SMQ1 (for qRFC) or SM58 (for tRFC) to check the status of the queues. Look for any entries that are in error status.
  
  
  Analyze Error Logs: Review the error logs for more details about the specific error. This can provide insights into what went wrong.
  
  
  Reprocess the LUW: If the issue is resolved, you can manually reprocess the LUW. In transaction SM58, select the failed entries and choose the option to reprocess them.
  
  
  Check Network Connectivity: Ensure that there are no network issues between the systems involved in the tRFC/qRFC communication.
  
  
  Monitor System Performance: Check the system performance and load. If the system is under heavy load, consider optimizing performance or scheduling the processing during off-peak hours.
  
  
  Review Configuration: Verify the configuration settings for tRFC/qRFC in the SAP system. Ensure that they are set up correctly.
  
  
  Data Validation: Check the data being sent in the LUW for any inconsistencies or missing information.
  
  
  Lock Management: Investigate any locks that may be affecting the processing of the LUW. You can use transaction SM12 to check for locks.
  
  
  Related Information
  
  
  Transaction Codes:
  
  SM58: Monitor tRFC calls.
  SMQ1: Monitor qRFC queues.
  SM12: Display and manage locks.
  SLG1: Check application logs for more detailed error messages.
  
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to tRFC/qRFC processing.
  
  
  Documentation: Review SAP documentation on tRFC and qRFC for best practices and troubleshooting steps.
  
  
  By following these steps, you should be able to identify the cause of the error and take appropriate action to resolve it.