How To Fix CK144 - Material master locked by another user

SAP Error Message - Details

• Message type: E = Error

• Message class: CK - Product Costing Messages

• Message number: 144

• Message text: Material master locked by another user

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CK144 - Material master locked by another user ?

  The SAP error message CK144 indicates that a material master record is currently locked by another user. This typically occurs when one user is editing the material master data, and another user attempts to access or modify the same record simultaneously. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  Concurrent Access: Another user is currently editing the material master record, which locks the record to prevent data inconsistencies.
  Session Timeout: A user may have left a session open, causing the lock to persist even if they are no longer actively working on it.
  System Errors: Occasionally, system errors or crashes can leave locks in place that should have been released.
  
  Solution:
  
  
  Wait and Retry: The simplest solution is to wait for the other user to finish their work and release the lock. You can periodically check if the lock has been released.
  
  
  Identify the Lock: Use transaction code SM12 to view and manage locks. You can check which user has locked the material master record:
  
  Enter the material number or relevant details in the selection criteria.
  Execute the report to see the list of locks.
  
  
  
  Contact the User: If you identify the user who has the lock, you can reach out to them to see if they can release the lock or finish their work.
  
  
  Release the Lock: If the lock is no longer needed (for example, if the user has left the session open), and you have the necessary authorizations, you can manually delete the lock from transaction SM12. Be cautious with this approach, as it may lead to data inconsistencies if the other user is still working on the record.
  
  
  Check for Background Jobs: Sometimes, background jobs may also hold locks. You can check for any running jobs that might be affecting the material master.
  
  
  System Administration: If the issue persists or if you frequently encounter this error, it may be worth discussing with your SAP Basis team to investigate if there are underlying issues with session management or locking mechanisms.
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM12: To view and manage locks.
  SM21: To check system logs for any related errors.
  SE11: To view the data dictionary and check the structure of the material master table.
  
  
  
  User Training: Ensure that users are trained on proper session management and how to release locks when they are done with their tasks.
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to material master locking behavior.
  
  
  By following these steps, you should be able to resolve the CK144 error and manage material master records effectively.