How To Fix KCONS001 - Customer &1 already locked by another user.

SAP Error Message - Details

• Message type: E = Error

• Message class: KCONS - Consent Data: Message class

• Message number: 001

• Message text: Customer &1 already locked by another user.

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message KCONS001 - Customer &1 already locked by another user. ?

  The SAP error message KCONS001 indicates that a customer (or vendor) is currently locked by another user, preventing you from making changes or processing transactions related to that customer. This locking mechanism is a part of SAP's concurrency control to ensure data integrity and prevent conflicts when multiple users are trying to access or modify the same data simultaneously.
  Cause:
  
  Concurrent Access: Another user is currently editing or processing data related to the same customer.
  Transaction Lock: A transaction that involves the customer is still open or has not been completed, leading to a lock.
  System Lock: The system may have a lock due to a previous transaction that did not release the lock properly.
  
  Solution:
  
  Wait and Retry: If the lock is temporary, wait for a few moments and then try again. The other user may complete their transaction, releasing the lock.
  Identify the Locking User:
  
  Use transaction SM12 (Display and Delete Locks) to check which user has locked the customer record.
  Enter the customer number in the appropriate field and execute the transaction to see the list of locks.
  
  
  Contact the Locking User: If you identify the user who has the lock, you can reach out to them to see if they can complete their transaction or release the lock.
  Delete the Lock (if necessary): If the locking user is unavailable and you have the necessary authorizations, you can 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 data.
  Check for Background Jobs: Sometimes, background jobs may also hold locks. Use transaction SM37 to check for any background jobs that might be running and holding the lock.
  System Restart: In rare cases, if the lock persists and is not being released, a system restart may be required, but this should be done with caution and typically involves coordination with your SAP Basis team.
  
  Related Information:
  
  Transaction Codes:
  
  SM12: Display and Delete Locks
  SM37: Monitor Background Jobs
  SE11: Data Dictionary (to check table structures)
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to locking mechanisms.
  User Training: Ensure that users are trained on how to properly complete transactions to minimize locking issues.
  
  By following these steps, you should be able to resolve the KCONS001 error and continue with your work in SAP.