How To Fix LCA_LCK105 - No lock exists with an ID of this type

SAP Error Message - Details

• Message type: E = Error

• Message class: LCA_LCK - Error Texts for the Lock Server Module

• Message number: 105

• Message text: No lock exists with an ID of this type

What causes this issue?

An attempt was made to delete a user with a name that does not exist in
the corresponding lock area.

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?

Either the lock name is not correct, or the lock has already been
deleted.

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 LCA_LCK105 - No lock exists with an ID of this type ?

  The SAP error message LCA_LCK105 ("No lock exists with an ID of this type") typically occurs in the context of SAP Lock Management. This error indicates that the system is trying to release or check a lock that does not exist or has already been released.
  Causes:
  
  Lock ID Not Found: The lock ID being referenced does not exist in the system, possibly due to it being released or never being created.
  Incorrect Lock Type: The application may be trying to access a lock of a type that is not currently held.
  Session Issues: The session that created the lock may have ended unexpectedly, leading to the lock being released.
  Concurrency Issues: Multiple processes may be trying to access the same resource, leading to conflicts in lock management.
  
  Solutions:
  
  Check Lock Status: Use transaction code SM12 to check the current locks in the system. Look for the lock ID in question to see if it exists.
  Review Code Logic: If you are developing or maintaining custom code, ensure that the logic for acquiring and releasing locks is correct. Make sure that locks are being created before they are released.
  Error Handling: Implement error handling in your code to gracefully manage situations where a lock may not exist.
  Session Management: Ensure that sessions are properly managed and that locks are not being released prematurely.
  Consult Documentation: Review SAP documentation or notes related to lock management for any specific guidance or updates that may pertain to your version of SAP.
  
  Related Information:
  
  Lock Management: SAP uses locks to prevent data inconsistencies when multiple users or processes attempt to access the same data simultaneously.
  Transaction Codes: Familiarize yourself with transaction codes like SM12 (to view locks), SM21 (to view system logs), and ST22 (to check for dumps) for troubleshooting.
  SAP Notes: Check SAP Notes for any known issues or patches related to lock management that may address this error.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.