How To Fix /SCMTMS/AYS_POPUP029 - Stop for (un)loading instructions is already in execution. Continue?

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCMTMS/AYS_POPUP -

• Message number: 029

• Message text: Stop for (un)loading instructions is already in execution. Continue?

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCMTMS/AYS_POPUP029 - Stop for (un)loading instructions is already in execution. Continue? ?

  The SAP error message /SCMTMS/AYS_POPUP029 indicates that there is an ongoing process related to (un)loading instructions in the Transportation Management System (TMS) that is already in execution. This typically occurs when a user attempts to initiate a new action or process that conflicts with an existing one.
  Cause:
  
  Concurrent Execution: The error usually arises when multiple users or processes are trying to execute (un)loading instructions simultaneously.
  System Lock: The system may have a lock on the (un)loading instructions due to a previous transaction that has not yet completed.
  Long-running Processes: If a previous process is taking longer than expected, it may prevent new actions from being initiated.
  
  Solution:
  
  Wait and Retry: If the process is still running, wait for it to complete before attempting to execute the action again.
  Check for Locks: Use transaction codes like SM12 to check for any locks on the relevant tables. If you find locks that are no longer needed, you may need to release them.
  Monitor Background Jobs: Check if there are any background jobs that are processing (un)loading instructions. You can use transaction SM37 to monitor and manage background jobs.
  Review Logs: Look at the application logs (transaction SLG1) for any additional error messages or warnings that might provide more context about the issue.
  Consult with Colleagues: If you are in a multi-user environment, check with other users to see if they are performing actions that might conflict with yours.
  System Restart: In some cases, a system restart may be necessary to clear any lingering locks or processes, but this should be done with caution and typically requires coordination with your IT department.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search the SAP Support Portal for relevant notes.
  Documentation: Review the SAP documentation for Transportation Management to understand the workflow and processes related to (un)loading instructions.
  User Training: Ensure that users are trained on the proper procedures for handling (un)loading instructions to minimize the chances of concurrent execution issues.
  
  If the problem persists after trying the above solutions, it may be necessary to escalate the issue to your SAP support team or consult with SAP directly for further assistance.