How To Fix SA320 - Entity type $ $ $ is already locked

SAP Error Message - Details

• Message type: E = Error

• Message class: SA -

• Message number: 320

• Message text: Entity type $ $ $ is already locked

What causes this issue?

The entity type is already being edited by another user.

System Response

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?

Please try again later.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SA320 - Entity type $ $ $ is already locked ?

  The SAP error message SA320 indicates that an entity type (such as a business object, document, or record) is already locked by another user or process. This typically occurs in scenarios where multiple users or processes are trying to access or modify the same data simultaneously, leading to a conflict.
  Cause:
  
  Concurrent Access: Another user or transaction is currently editing or processing the same entity.
  Long-Running Transactions: A transaction that takes a long time to complete may hold a lock on the entity for an extended period.
  System Errors: Sometimes, system errors or crashes can leave locks in place that are not released properly.
  Background Jobs: Background jobs or batch processes may also lock entities while they are being processed.
  
  Solution:
  
  Wait and Retry: If the lock is temporary, waiting for a few moments and then retrying the operation may resolve the issue.
  Identify the Lock: Use transaction codes like SM12 (Display and Delete Locks) to identify which user or process is holding the lock. You can check the lock entries and see if you can contact the user or process to resolve the issue.
  Release the Lock: If you have the necessary authorizations, you can manually delete the lock entry in SM12. However, be cautious with this approach, as it may lead to data inconsistency if the other user is still working on the entity.
  Check for Long-Running Transactions: Investigate if there are any long-running transactions that may be holding locks and address them accordingly.
  Review Background Jobs: Check if any background jobs are running that might be locking the entity and consider rescheduling them if necessary.
  System Monitoring: Implement monitoring to track locking issues and identify patterns that may lead to frequent locking conflicts.
  
  Related Information:
  
  Transaction Codes:
  
  SM12: To view and manage lock entries.
  SM21: To check system logs for any related errors or warnings.
  ST22: To analyze dumps that may provide insight into system errors.
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to locking mechanisms in your specific version of SAP.
  User Training: Ensure that users are trained on how to properly handle transactions to minimize locking issues, such as avoiding long transactions and properly saving or releasing locks when done.
  
  If the problem persists after trying the above solutions, it may be necessary to consult with your SAP Basis team or SAP support for further assistance.