How To Fix CNV_DMC_MC_EXCEPTION136 - Action not possible; &1 &3 is locked by user &2

CNV_DMC_MC_EXCEPTION136 - Overview

• Message type: E = Error

• Message class: CNV_DMC_MC_EXCEPTION - Exception texts of Migration Object Modeller

• Message number: 136

• Message text: Action not possible; &1 &3 is locked by user &2

What causes this issue?

The object is currently locked by user &V1&. It is not possible to view
or edit the object until it is released by this user.

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?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

CNV_DMC_MC_EXCEPTION136 - Details

• The SAP error message CNV_DMC_MC_EXCEPTION136 indicates that a specific action cannot be performed because the object (e.g., a project, task, or data) is currently locked by another user. This is a common issue in SAP systems where multiple users may be trying to access or modify the same object simultaneously.
  
  Cause:
  
  
  Object Locking: The object you are trying to access is locked by another user. This can happen if:
  
  Another user is currently editing or processing the object.
  A previous session did not release the lock properly.
  The system is performing a background job that has locked the object.
  
  
  
  Transaction Management: In some cases, the locking mechanism is part of transaction management to ensure data integrity and consistency.
  
  
  
  Solution:
  
  
  Identify the Lock:
  
  Use transaction code SM12 to view the locks in the system. You can filter by the user ID mentioned in the error message to see what objects are locked.
  
  
  
  Release the Lock:
  
  If you have the necessary authorizations, you