How To Fix CCM107 - Callback should be locked

SAP Error Message - Details

• Message type: E = Error

• Message class: CCM -

• Message number: 107

• Message text: Callback should be locked

What causes this issue?

It is not possible to change the callback.

System Response

The callback is already locked by another user.

How to fix this error?

You can only display the callback or wait until it has been released
again.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CCM107 - Callback should be locked ?

  The SAP error message CCM107: Callback should be locked typically occurs in the context of the SAP Converged Cloud Management (CCM) or related systems where callback functions are being processed. This error indicates that a callback function is expected to be locked to prevent concurrent access or modifications that could lead to inconsistencies or data corruption.
  Cause:
  
  Concurrency Issues: The error usually arises when multiple processes or threads attempt to access or modify the same callback function simultaneously without proper locking mechanisms in place.
  System Configuration: There may be misconfigurations in the system that prevent the proper locking of callback functions.
  Code Issues: Custom code or enhancements that interact with the callback mechanism may not implement locking correctly.
  
  Solution:
  
  Check for Concurrent Processes: Review the system for any concurrent processes that might be trying to access the same callback. Ensure that only one process can access the callback at a time.
  Implement Proper Locking: If you are developing custom code, ensure that you implement proper locking mechanisms (e.g., using ENQUEUE and DEQUEUE statements in ABAP) to prevent concurrent access to the callback.
  Review Configuration: Check the configuration settings related to the callback functions in your SAP system. Ensure that they are set up correctly to allow for proper locking.
  Debugging: Use debugging tools to trace the execution of the callback function and identify where the locking mechanism is failing.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes or patches that address this specific error. There may be updates or fixes provided by SAP that resolve the issue.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for details on callback functions and locking mechanisms.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered the same issue and what solutions they have found.
  System Logs: Review system logs (transaction SM21) for any additional error messages or warnings that may provide more context about the issue.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP Support for further assistance.