How To Fix CK502 - Material &1 in plant &2 locked by user &3

SAP Error Message - Details

• Message type: E = Error

• Message class: CK - Product Costing Messages

• Message number: 502

• Message text: Material &1 in plant &2 locked by user &3

What causes this issue?

Material &v1& in plant &v2& is locked by user &v3&.

How to fix this error?

Wait until user &v3& is finished. Then carry out marking for the
material again.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CK502 - Material &1 in plant &2 locked by user &3 ?

  The SAP error message CK502 indicates that a material in a specific plant is locked by a user, which prevents other users from making changes to that material. This typically occurs during processes such as costing, where the system locks the material to ensure data integrity while calculations are being performed.
  Cause:
  
  User Lock: The material is currently being processed by another user, which results in a lock on the material.
  Transaction in Progress: A transaction related to the material (like costing or inventory management) is still in progress.
  System Error: Sometimes, a system error or an unexpected termination of a session can leave a lock on the material.
  
  Solution:
  
  Wait and Retry: If the lock is temporary, waiting for the other user to complete their transaction may resolve the issue.
  Identify the Locking User: You can use transaction code SM12 to check which user has locked the material. This transaction allows you to view and manage user locks.
  Unlock the Material: If you have the necessary authorizations, you can manually delete the lock from transaction SM12. However, this should be done with caution, as it may disrupt the other user's work.
  Contact the User: If you identify the user who has locked the material, you can reach out to them to understand their needs and coordinate the unlocking of the material.
  Check for Background Jobs: Sometimes, background jobs may hold locks. You can check transaction SM37 to see if any jobs are running that might be causing the lock.
  
  Related Information:
  
  
  Transaction Codes:
  
  SM12: To view and manage user locks.
  SM37: To check background jobs.
  CK11N: To create a cost estimate for a material.
  CK40N: To run a costing run.
  
  
  
  User Authorizations: Ensure that you have the necessary authorizations to view and manage locks in the system.
  
  
  Documentation: Refer to SAP Help documentation for more details on material management and locking mechanisms.
  
  
  System Configuration: In some cases, system configuration or settings may need to be reviewed if locking issues are frequent.
  
  
  By following these steps, you should be able to resolve the CK502 error and continue with your work in SAP.