How To Fix UPE1024 - Exclusive lock for area &1 and parameter group &2 refused

SAP Error Message - Details

• Message type: E = Error

• Message class: UPE1 - Messages: Link to External Applications

• Message number: 024

• Message text: Exclusive lock for area &1 and parameter group &2 refused

What causes this issue?

You attempted to update a parameter group. You have not obtained a
write authorization because another user has locked it.

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?

Try again later.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message UPE1024 - Exclusive lock for area &1 and parameter group &2 refused ?

  The SAP error message UPE1024 indicates that an exclusive lock for a specific area and parameter group has been refused. This typically occurs in the context of SAP's locking mechanism, which is used to prevent concurrent access to data that could lead to inconsistencies.
  Cause:
  
  Existing Lock: The most common cause of this error is that another user or process currently holds an exclusive lock on the specified area and parameter group. This prevents other processes from obtaining the lock.
  Lock Timeout: If a process is holding a lock for an extended period, other processes may time out while waiting for the lock to be released.
  Configuration Issues: There may be configuration issues in the system that prevent locks from being acquired properly.
  System Performance: High system load or performance issues can lead to delays in lock acquisition.
  
  Solution:
  
  Identify the Lock Holder: Use transaction code SM12 to check for existing locks. You can filter by the area and parameter group to find out which user or process is holding the lock.
  Release the Lock: If you identify a lock that is no longer needed, you can manually delete it from the SM12 transaction. However, be cautious when doing this, as it may disrupt the process holding the lock.
  Retry the Operation: After the lock has been released, retry the operation that caused the error.
  Check for Long-Running Transactions: Investigate if there are any long-running transactions that may be holding locks for an extended period. Optimize or terminate these transactions if necessary.
  System Monitoring: Implement monitoring to track lock contention and performance issues. This can help in identifying patterns that lead to locking issues.
  Consult Documentation: Review SAP documentation or notes related to locking mechanisms for specific guidance on your version of SAP.
  
  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: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to locking and the UPE1024 error.
  Performance Tuning: Consider performance tuning of the application or database to reduce lock contention.
  
  If the issue persists after trying the above solutions, it may be necessary to involve your SAP Basis team or SAP support for further investigation.