How To Fix CMMD045 - A sub-tree of hierarchy & is locked by user &

CMMD045 - Overview

• Message type: E = Error

• Message class: CMMD -

• Message number: 045

• Message text: A sub-tree of hierarchy & is locked by user &

What causes this issue?

A subtree of the article hierarchy is locked by a different user. The
subtree either
contains the selected hierarchy node, or the subtree is included in the
subtree of the
selected hierarchy node.
A subtree of the article hierarchy can be changed by only one user at
at any given time.

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?

The user who set the lock, must also remove it.

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 CMMD045 - A sub-tree of hierarchy & is locked by user & ?

  The SAP error message CMMD045 indicates that a sub-tree of a hierarchy is locked by a specific user. This typically occurs in the context of SAP's hierarchical data management, such as when working with master data, organizational structures, or other hierarchical data models.
  
  Cause:
  
  User Locking: The user mentioned in the error message has locked a part of the hierarchy for editing. This can happen if the user is currently making changes or has opened the hierarchy for editing and has not yet saved or released the lock.
  Concurrent Access: Another user may be accessing the same hierarchy node, leading to a lock being placed on that sub-tree.
  System Configuration: Certain configurations in the SAP system may enforce locks on hierarchical data to prevent data inconsistencies.
  
  
  Solution:
  
  Identify the Locking User: Check who the user is that has locked the hierarchy. This can often be done through transaction codes like SM12 (to view lock entries) or