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

/SCMTMS/AYS_POPUP029 - Overview

• 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

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.

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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