How To Fix /ISDFPS/SYNC121 - tRFC queue: &1 IDocs

SAP Error Message - Details

• Message type: E = Error

• Message class: /ISDFPS/SYNC -

• Message number: 121

• Message text: tRFC queue: &1 IDocs

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /ISDFPS/SYNC121 - tRFC queue: &1 IDocs ?

  The SAP error message /ISDFPS/SYNC121 tRFC queue: &1 IDocs typically relates to issues with the tRFC (Transactional Remote Function Call) queue in the context of IDoc processing. This error indicates that there are IDocs that are stuck in the tRFC queue, which can prevent the successful processing of data between systems.
  Causes:
  
  Network Issues: Connectivity problems between the SAP systems can lead to IDocs being stuck in the tRFC queue.
  Configuration Errors: Incorrect configuration of the RFC destinations or logical systems can cause communication failures.
  IDoc Errors: The IDocs themselves may contain errors that prevent them from being processed.
  System Performance: High load on the system or performance issues can lead to delays in processing IDocs.
  Authorization Issues: The user or system may not have the necessary authorizations to process the IDocs.
  
  Solutions:
  
  Check tRFC Queue: Use transaction SM58 to monitor the tRFC queue. Identify the IDocs that are stuck and analyze the error messages associated with them.
  Reprocess IDocs: If the IDocs are in error status, you can attempt to reprocess them using transaction WE19 (IDoc test tool) or BD87 (reprocess IDocs).
  Check Connectivity: Ensure that there are no network issues between the systems involved. Test the RFC connection using transaction SM59.
  Review Configuration: Verify the configuration of the RFC destinations and logical systems in transaction SALE or SPRO.
  Analyze IDoc Data: Check the data in the IDocs for any inconsistencies or errors that may prevent processing.
  System Performance: Monitor system performance and resource utilization. If the system is under heavy load, consider optimizing performance or scheduling IDoc processing during off-peak hours.
  Authorization Checks: Ensure that the user or system has the necessary authorizations to process the IDocs.
  
  Related Information:
  
  Transaction Codes:
  
  SM58: Monitor tRFC queue.
  WE02: Display IDocs.
  WE19: Test IDoc processing.
  BD87: Reprocess IDocs.
  SM59: RFC destination configuration.
  
  
  SAP Notes: Check for relevant SAP Notes that may address specific issues related to this error message.
  Logs: Review application logs (transaction SLG1) for additional error details that may provide insights into the root cause.
  
  By following these steps, you should be able to diagnose and resolve the issue related to the /ISDFPS/SYNC121 tRFC queue: &1 IDocs error message in SAP.