How To Fix IM021 - Functional location &1 not in the structure of functional location &2

IM021 - Overview

• Message type: E = Error

• Message class: IM - Maintenance notifications

• Message number: 021

• Message text: Functional location &1 not in the structure of functional location &2

What causes this issue?

Functional location &V1&, to which the message refers, is not part of
the structure of functional location &V2&.

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?

Check whether functional location &V2& really was affected by the
malfunction at functional location &V1&.

Error message extract from SAP system. Copyright SAP SE.

IM021 - Details

• The SAP error message IM021 indicates that there is an issue with the functional location hierarchy in the SAP system. Specifically, it means that the functional location you are trying to use (denoted as &1) is not part of the structure of the parent functional location (denoted as &2). This can occur in various scenarios, such as when trying to assign a piece of equipment to a functional location or when performing maintenance tasks.
  
  Cause:
  
  Incorrect Hierarchy: The functional location you are trying to reference is not correctly assigned under the specified parent functional location in the hierarchy.
  Data Inconsistency: There may be inconsistencies in the data, such as changes made to the functional location structure that have not been properly updated in the system.
  Incorrect Configuration: The configuration settings for functional locations may not be set up correctly, leading to this error when trying to access or assign locations.
  
  
  Solution:
  
  
  Check Functional Location Structure:
  
  Navigate to