How To Fix SADT_RESOURCE026 - Resource &1 &2 is not locked (invalid lock handle: &3)

SAP Error Message - Details

• Message type: E = Error

• Message class: SADT_RESOURCE - Resource messages

• Message number: 026

• Message text: Resource &1 &2 is not locked (invalid lock handle: &3)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SADT_RESOURCE026 - Resource &1 &2 is not locked (invalid lock handle: &3) ?

  The SAP error message SADT_RESOURCE026 indicates that a resource (identified by &1 and &2) is not locked due to an invalid lock handle (&3). This typically occurs in scenarios where a resource is expected to be locked for processing, but the lock cannot be validated or is no longer valid.
  Causes:
  
  Invalid Lock Handle: The lock handle being referenced is no longer valid, possibly due to a timeout or the resource being released by another process.
  Concurrency Issues: Multiple processes may be trying to access the same resource simultaneously, leading to conflicts.
  System Errors: There may be underlying system issues or bugs that are causing the lock mechanism to fail.
  Transaction Rollback: If a transaction that was supposed to lock the resource was rolled back, the lock would be released, leading to this error.
  
  Solutions:
  
  Check Lock Status: Use transaction code SM12 to check the lock entries. Look for the resource in question and see if it is locked by another user or process.
  Release Locks: If you find that the lock is held by a user or process that is no longer active, you can manually delete the lock entry from SM12 (ensure you have the necessary authorizations).
  Review Code Logic: If this error occurs frequently, review the code logic that handles locking and ensure that locks are being properly acquired and released.
  Increase Lock Timeout: If the issue is related to timeouts, consider increasing the lock timeout settings in the system configuration.
  Check for System Updates: Ensure that your SAP system is up to date with the latest patches and updates, as this may resolve known bugs related to locking mechanisms.
  Consult SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  
  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 the error.
  
  
  SAP Documentation: Review the SAP Help Portal for documentation on locking mechanisms and error handling.
  Performance Monitoring: Use transaction codes like ST03N or ST04 to monitor system performance and identify any bottlenecks that may be causing locking issues.
  
  If the problem persists after trying the above solutions, it may be necessary to engage SAP support for further assistance.