How To Fix CKMLVNB055 - Material &1 locked by user &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CKMLVNB - Revaluation of Consumption

• Message number: 055

• Message text: Material &1 locked by user &2

What causes this issue?

You are attempting to carry out the revaluation of single-level
consumption for material &v1&. However, this material is locked by user
&v2&.

System Response

Revaluation of single-level consumption is not performed for the
material.

How to fix this error?

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

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 CKMLVNB055 - Material &1 locked by user &2 ?

  The SAP error message CKMLVNB055 indicates that a material is locked by a specific user, which prevents other users from performing certain operations on that material. This typically occurs in the context of Material Ledger (ML) processes, where concurrent access to material data is restricted to ensure data integrity.
  Cause:
  The error occurs when:
  
  A user is currently processing or has locked the material for a transaction (e.g., during a period-end closing, inventory valuation, or other Material Ledger activities).
  The material is being updated or changed by another user, and the system prevents simultaneous updates to avoid data inconsistencies.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Identify the Locking User: Check which user is currently locking the material. The error message provides the user ID (&2) that is holding the lock.
  
  
  Contact the User: If possible, reach out to the user who is locking the material to understand what operation they are performing and when they expect to complete it.
  
  
  Wait for Release: If the locking user is performing a legitimate operation, you may need to wait until they finish their task and the lock is released.
  
  
  Use Transaction SM12: If you believe the lock is no longer valid (e.g., the user has logged off unexpectedly), you can check and delete the lock using transaction code SM12:
  
  Go to transaction SM12.
  Enter the user ID and the material number (if applicable) to find the lock entry.
  If you determine that the lock can be safely removed, you can delete it. Be cautious with this step, as it may lead to data inconsistencies if the user is still working on the material.
  
  
  
  Check for Background Jobs: Sometimes, background jobs may also lock materials. Check transaction SM37 to see if any background jobs are running that might be causing the lock.
  
  
  Review System Logs: If the issue persists, review system logs for any additional information that might indicate why the material is locked.
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  SM12: To view and manage locks.
  SM37: To check background jobs.
  CKMLCP: To run Material Ledger closing processes.
  
  
  
  Material Ledger: Understand the processes involved in Material Ledger, as they can often lead to locks during month-end or year-end closing activities.
  
  
  User Training: Ensure that users are trained on how to properly manage material transactions to minimize locking issues.
  
  
  By following these steps, you should be able to resolve the CKMLVNB055 error and continue with your material-related transactions in SAP.