How To Fix PMMO_DISTRIBUTION033 - Grouping WBS element &1 is already locked by user &2

SAP Error Message - Details

• Message type: E = Error

• Message class: PMMO_DISTRIBUTION - Messages for Distribution in PMMO

• Message number: 033

• Message text: Grouping WBS element &1 is already locked by user &2

What causes this issue?

The system tried to lock the grouping WBS element &V1&.

System Response

The system could not lock the grouping WBS element because it is already
locked by user &V2&.
CO postings will not be made for this grouping WBS element.

How to fix this error?

Run distribution for this group again.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message PMMO_DISTRIBUTION033 - Grouping WBS element &1 is already locked by user &2 ?

  The SAP error message PMMO_DISTRIBUTION033 indicates that a specific Work Breakdown Structure (WBS) element is currently locked by another user. This typically occurs when multiple users are trying to access or modify the same WBS element simultaneously, leading to a conflict.
  
  Cause:
  
  Concurrent Access: Another user is currently editing or processing the WBS element, which locks it for other users.
  Long-running Transactions: A transaction that takes a long time to complete may leave the WBS element locked for an extended period.
  System Errors: Occasionally, system errors or crashes can leave locks in place unintentionally.
  
  
  Solution:
  
  Wait and Retry: The simplest solution is to wait for the other user to finish their work and then try again.
  Identify the Lock: Use transaction code SM12 to check for locks on the WBS element. You can search for the specific WBS element and see which user has it locked.
  Contact the User: If you identify the user who has the lock,