How To Fix CKMLWIP056 - Material &1 locked by user &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CKMLWIP - WIP Price Determination

• Message number: 056

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

What causes this issue?

You are attempting to carry out the WIP revaluation for material &v1&.
However, this material is locked by user &v2&.

System Response

The WIP revaluation 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 CKMLWIP056 - Material &1 locked by user &2 ?

  The SAP error message CKMLWIP056 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) and can happen during processes such as inventory valuation, material movements, or during the closing of periods.
  Cause:
  
  User Lock: The material is currently being processed by another user, which locks it for other users to prevent data inconsistencies.
  Long-running Transactions: A user may have initiated a long-running transaction that has not yet completed, causing the lock to persist.
  System Errors: Sometimes, system errors or crashes can leave a material locked unintentionally.
  
  Solution:
  
  Identify the User: Check which user is locking the material. This can be done using transaction codes like SM12 (to view lock entries) or SM21 (to check system logs).
  Wait for Completion: If the locking user is performing a legitimate operation, it may be best to wait until they complete their task.
  Contact the User: If possible, contact the user who is locking the material to understand their progress and if they can release the lock.
  Release the Lock: If the locking user is no longer active or if the lock is due to an error, an administrator can manually release the lock using transaction SM12. However, this should be done with caution to avoid data inconsistencies.
  Check for Background Jobs: Sometimes, background jobs may be running that could be locking the material. Check transaction SM37 for any relevant jobs.
  Review System Performance: If locks are frequent, it may be worth reviewing system performance and user processes to identify any bottlenecks or issues.
  
  Related Information:
  
  Transaction Codes:
  
  SM12: To view and manage lock entries.
  SM21: To check system logs for errors.
  SM37: To monitor background jobs.
  
  
  Material Ledger: Understanding how the Material Ledger works and its locking mechanisms can help in troubleshooting.
  User Training: Ensure that users are trained on how to properly manage materials and understand the implications of locking.
  
  If the issue persists or if you are unsure about releasing locks, it is advisable to consult with your SAP Basis or technical support team for further assistance.