How To Fix /PLMU/UI_FRW_TEST015 - Lock for connection &1 already set

SAP Error Message - Details

• Message type: E = Error

• Message class: /PLMU/UI_FRW_TEST -

• Message number: 015

• Message text: Lock for connection &1 already set

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PLMU/UI_FRW_TEST015 - Lock for connection &1 already set ?

  The SAP error message /PLMU/UI_FRW_TEST015 Lock for connection &1 already set typically indicates that there is a lock on a specific connection in the SAP system, which prevents further processing or access to that connection. This can occur in various scenarios, such as when multiple users or processes attempt to access the same resource simultaneously.
  Cause:
  
  Concurrent Access: Multiple users or processes are trying to access the same connection at the same time, leading to a lock being set.
  Long-Running Transactions: A transaction that takes a long time to complete may hold a lock longer than expected, causing other processes to encounter this error.
  Improper Session Handling: If sessions are not being closed properly, they may leave locks in place.
  System Configuration: Certain configurations in the SAP system may lead to locks being set more aggressively than necessary.
  
  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 (to view and manage locks) to identify which user or process is holding the lock. You can then decide whether to wait for it to release or take further action.
  Release the Lock: If you have the necessary authorizations, you can manually release the lock from SM12. Be cautious when doing this, as it may disrupt the user or process holding the lock.
  Review Code: If this error occurs frequently, review the code or processes that are accessing the connection to ensure they are not holding locks longer than necessary.
  Optimize Transactions: If long-running transactions are causing locks, consider optimizing them to reduce execution time.
  Check Configuration: Review the system configuration related to locking mechanisms to ensure they are set appropriately for your environment.
  
  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 may provide additional context.
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Review SAP documentation for best practices on managing locks and concurrent access in your specific SAP environment.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or SAP support for further assistance.