How To Fix CMCL101 - Item &1 has been locked by &2

CMCL101 - Overview

• Message type: E = Error

• Message class: CMCL - Service layer for component allocations

• Message number: 101

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

What causes this issue?

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

System Response

The component assignment cannot be created.

How to fix this error?

Try to carry out the assignment again, after user &V2& has unlocked
item &V1& or has left the Engineering Workbench.

Error message extract from SAP system. Copyright SAP SE.

CMCL101 - Details

• The SAP error message CMCL101 indicates that a specific item (denoted by &1) is currently 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 transaction is currently editing or processing the item, which prevents other users from making changes.
  Transaction Locking: SAP uses locking mechanisms to ensure data integrity. If a user is in the middle of a transaction that involves the item, it will be locked until the transaction is completed or canceled.
  Long-running Processes: Sometimes, background jobs or long-running transactions can hold locks for an extended period, causing other users to encounter this error.
  
  
  Solution:
  
  Wait and Retry: The simplest solution is to wait for the other user or process to complete their transaction and then try again.
  Identify the Lock: Use transaction codes like