How To Fix SWF_RUN678 - Method &1 is locked against execution (reason: &2)

SAP Error Message - Details

• Message type: E = Error

• Message class: SWF_RUN - Workflow Runtime System

• Message number: 678

• Message text: Method &1 is locked against execution (reason: &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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SWF_RUN678 - Method &1 is locked against execution (reason: &2) ?

  The SAP error message SWF_RUN678 indicates that a method in a workflow is locked against execution. This typically occurs when a method is being executed or is in a state that prevents it from being executed again until the current execution is completed or the lock is released. The message provides two parameters: &1 represents the method name, and &2 provides the reason for the lock.
  Causes:
  
  Concurrent Execution: The method is currently being executed by another workflow instance.
  Long-Running Processes: The method may be part of a long-running process that has not yet completed.
  Locking Mechanism: SAP uses a locking mechanism to prevent multiple instances of the same method from running simultaneously, which can lead to data inconsistencies.
  Error Handling: If a previous execution of the method failed and did not release the lock, it may still be marked as locked.
  
  Solutions:
  
  Wait for Completion: If the method is currently executing, you may need to wait for it to complete before attempting to execute it again.
  Check Workflow Instances: Use transaction codes like SWI1 (Work Item Selection) or SWI2_FREQ (Work Item Overview) to check for any active workflow instances that may be holding the lock.
  Release Locks: If you determine that the method is locked due to a failed execution, you may need to manually release the lock. This can often be done by:
  
  Using transaction code SWI1 to find the relevant workflow instance and terminate it if necessary.
  Checking the workflow log for errors and resolving any issues that may have caused the lock.
  
  
  Review Workflow Design: If this issue occurs frequently, consider reviewing the workflow design to ensure that methods are not being executed concurrently inappropriately.
  Consult SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SWI1, SWI2, SWF_MAINTAIN, and SWF_WORKFLOW for monitoring and managing workflows.
  Workflow Logs: Review workflow logs for detailed information about the execution of the method and any errors that may have occurred.
  SAP Community: Engage with the SAP Community or forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or Workflow team for further investigation.