How To Fix KM223 - An allocation has been locked by user &1

SAP Error Message - Details

• Message type: E = Error

• Message class: KM - Error messages for Profit Center Accounting

• Message number: 223

• Message text: An allocation has been locked by user &1

What causes this issue?

The program for adding a controlling area to the allocation cycles can
only be started if no users have locked an allocation. User &V1& is
currently creating or changing an alocation.

System Response

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

How to fix this error?

Inform the user and ask him or her to leave the transaction.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KM223 - An allocation has been locked by user &1 ?

  The SAP error message KM223 indicates that an allocation (such as a cost allocation or a resource allocation) is locked by a specific user, which prevents other users from making changes to that allocation until the lock is released. This can occur in various SAP modules, particularly in Controlling (CO) or Project System (PS).
  
  Cause:
  
  User Lock: The allocation is currently being processed or edited by another user, which creates a lock on the allocation.
  Transaction Incomplete: A transaction that involves the allocation may not have been completed properly, leaving it in a locked state.
  System Error: Occasionally, system errors or crashes can lead to locks that are not released properly.
  
  
  Solution:
  
  Wait for Release: If the allocation is locked by another user, you may need to wait until that user completes their transaction and the lock is released.
  Identify the Locking User: You can use transaction code SM12 to view and manage locks. This will allow