How To Fix CLHP062 - Class & could not be locked

SAP Error Message - Details

• Message type: E = Error

• Message class: CLHP - Graphical Class Maintenance

• Message number: 062

• Message text: Class & could not be locked

What causes this issue?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

You tried to create an assignment that has subordinate assignments. In
the attempt to lock these subordinate classes, the class shown in the
error message could not be locked.

How to fix this error?

Ensure that this class is unlocked, then try again.

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 CLHP062 - Class & could not be locked ?

  The SAP error message CLHP062 indicates that a class could not be locked. This typically occurs when multiple users or processes are trying to access or modify the same class simultaneously, leading to a conflict in locking mechanisms.
  Causes:
  
  Concurrent Access: Another user or process is currently editing or has locked the class.
  System Issues: There may be a temporary issue with the SAP system or database that is preventing the lock from being acquired.
  Lock Table Overflow: The lock table may be full, preventing new locks from being created.
  Transport Issues: If the class is part of a transport request, it may be locked due to transport activities.
  
  Solutions:
  
  Check Lock Entries: Use transaction code SM12 to check for existing lock entries. You can identify the user or process that is holding the lock and take appropriate action (e.g., wait for them to finish or contact them).
  Wait and Retry: If the lock is temporary, waiting for a few moments and then retrying the operation may resolve the issue.
  Release Locks: If you have the necessary authorizations, you can manually delete the lock entries in SM12. Be cautious with this approach, as it may disrupt other users.
  Check Transport Requests: If the class is part of a transport request, ensure that the transport is not currently being processed. You may need to wait until the transport is completed.
  System Health Check: If the issue persists, check the overall health of the SAP system. Look for any performance issues or errors in the system logs that might indicate a broader problem.
  
  Related Information:
  
  Transaction Codes:
  
  SM12: Display and manage lock entries.
  SE80: Object Navigator, where you can check the class and its status.
  SE11: Data Dictionary, to check for any related database issues.
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to locking mechanisms.
  User Authorizations: Ensure that the user has the necessary authorizations to lock and unlock classes.
  
  If the problem continues after trying these solutions, it may be beneficial to consult with your SAP Basis team or SAP support for further assistance.