How To Fix CMCL106 - Operation &1 has been locked by &2

CMCL106 - Overview

• Message type: E = Error

• Message class: CMCL - Service layer for component allocations

• Message number: 106

• Message text: Operation &1 has been locked by &2

What causes this issue?

You want to edit operation &V1& which has, however, been locked by user
&V2&.

System Response

The component assignment cannot be created.

How to fix this error?

Try to perform the assignment again after user &V2& has unlocked
operation &V1&, or has left the Engineering Workbench.

Error message extract from SAP system. Copyright SAP SE.

CMCL106 - Details

• The SAP error message CMCL106 indicates that a specific operation (denoted by &1) has been locked by another user or process (denoted by &2). This typically occurs in scenarios where multiple users or processes are trying to access or modify the same data simultaneously, leading to a conflict.
  
  Cause:
  
  Concurrent Access: Another user or process is currently working on the same operation, which prevents others from making changes until the lock is released.
  Long-running Transactions: If a transaction takes too long to complete, it can hold locks longer than expected, causing other users to encounter this error.
  System Configuration: Certain configurations in the SAP system may lead to more frequent locking scenarios, especially in high-transaction environments.
  
  
  Solution:
  
  Wait and Retry: The simplest solution is to wait for the user or process that holds the lock to complete their operation. After some time, you can retry the action that caused the error.
  Identify the Lock: Use transaction codes