How To Fix 12190 - Batch &1 of material &2 is already locked by user &3

SAP Error Message - Details

• Message type: E = Error

• Message class: 12 - Herstelldatum/Mindesthaltbarkeitsdatum/Chargen

• Message number: 190

• Message text: Batch &1 of material &2 is already locked by user &3

What causes this issue?

Batch <LS>&V1&</> of material <LS>&V2&</> is currently locked and
cannot be edited. The lock was set during editing of another batch of
the material <LS>&V2&</> to ensure that the batches of this material
are classified consistently.
There a various classified batches for material <LS>&V2&</>, which
itself is not classified. At least one of these batches is being edited
in a parallel session, whereby the system set a lock for batch <LS>&V1&
</>. This lock should prevent different classes from being assigned to
these batches as a result of simultaneous editing of batches of
material <LS>&V2&</> in various sessions.

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

How to fix this error?

Finish editing all batches of material <LS>&V1&</> in parallel
sessions.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 12190 - Batch &1 of material &2 is already locked by user &3 ?

  The SAP error message "12190: Batch &1 of material &2 is already locked by user &3" indicates that a specific batch of a material is currently locked by another user. This typically occurs when multiple users are trying to access or modify the same batch of material simultaneously, which can lead to data inconsistencies.
  Cause:
  
  Concurrent Access: Another user is currently working on the same batch, which prevents other users from making changes until the lock is released.
  Long-running Transactions: A transaction that takes a long time to complete may hold the lock longer than expected.
  System Errors: Sometimes, system errors or crashes can leave a lock in place even if the user is no longer active.
  
  Solution:
  
  Wait and Retry: The simplest solution is to wait for the other user to complete their transaction and release the lock. You can try again after some time.
  Identify the Lock: Use transaction code SM12 to check for locks. You can search for the specific batch and see which user has locked it. If necessary, you can contact that user to coordinate.
  Release the Lock: If you have the necessary authorizations, you can manually release the lock in SM12. However, this should be done with caution, as it may lead to data inconsistencies if the other user is still working on the batch.
  Check for Long Transactions: If you notice that locks are persisting for a long time, investigate the transactions that are taking longer than expected. This may involve checking for performance issues or optimizing the processes.
  User Coordination: If multiple users frequently need to access the same batch, consider coordinating access to avoid conflicts.
  
  Related Information:
  
  Transaction Codes:
  
  SM12: To view and manage locks.
  SM21: To check system logs for any related errors or warnings.
  ST22: To check for dumps that might indicate underlying issues.
  
  
  Batch Management: Understanding how batch management works in SAP can help in managing locks effectively. Familiarize yourself with the batch process and how it interacts with inventory management.
  User Training: Ensure that users are trained on how to properly handle batch transactions to minimize locking issues.
  
  If the problem persists or if you encounter frequent locking issues, it may be beneficial to consult with your SAP Basis team or system administrator for further investigation and potential system optimizations.