How To Fix /PLMI/BO_PPE_INST029 - Change number &1 is locked; instance &2 can't be copied

/PLMI/BO_PPE_INST029 - Overview

• Message type: E = Error

• Message class: /PLMI/BO_PPE_INST -

• Message number: 029

• Message text: Change number &1 is locked; instance &2 can't be copied

Self-Explanatory Message

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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 /PLMI/BO_PPE_INST029 - Change number &1 is locked; instance &2 can't be copied ?

  The SAP error message /PLMI/BO_PPE_INST029 indicates that a change number is locked, which prevents the copying of a specific instance. This error typically occurs in the context of SAP's Production Planning and Execution (PP/PE) module, particularly when dealing with change management and version control.
  
  Cause:
  
  Change Number Lock: The change number specified in the error message is currently locked. This can happen if another user or process is currently using or modifying the change number.
  Authorization Issues: The user may not have the necessary authorizations to access or modify the change number.
  System Configuration: There may be system settings or configurations that are preventing the change number from being accessed.
  
  
  Solution:
  
  
  Check Lock Status:
  
  Use transaction code SM12 to check for locks on the change number. You can search for the specific change number and see if it is locked by another user or process.
  If you find a lock that is no longer needed, you can delete