How To Fix KPEP_WL402 - Hierarchy comparison for object type &1 not supported

KPEP_WL402 - Overview

• Message type: E = Error

• Message class: KPEP_WL - Messages For The Worklist in The Schedule Manager

• Message number: 402

• Message text: Hierarchy comparison for object type &1 not supported

What causes this issue?

You have selected a node of type &V1& to compare its subordinate
hierarchy between the worklist and the current master data. However,
this comparison is not supported for this object type.

System Response

The comparison is not executed.

How to fix this error?

In the hierarchy, choose a superior node of another object type and
start the comparison again.
Example (project system):
The comparison is not supported for sales document items. Therefore,
choose the WBS element to which the sales document item is assigned.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

KPEP_WL402 - Details

• The SAP error message KPEP_WL402 indicates that there is an issue with the hierarchy comparison for a specific object type in the context of Profitability Analysis (CO-PA) or similar modules. This error typically arises when the system attempts to perform a comparison or operation on a hierarchy that is not supported for the specified object type.
  
  Cause:
  
  Unsupported Object Type: The object type specified in the error message is not configured to support hierarchy comparisons. This could be due to the object type not being set up correctly in the system or not being intended for hierarchical operations.
  
  Configuration Issues: There may be configuration settings in the SAP system that do not allow for hierarchy comparisons for the specified object type.
  Data Issues: The data being processed may not conform to the expected structure or may be missing necessary hierarchy information.
  
  
  Solution:
  
  Check Object Type Configuration: Verify the configuration of the object type in question. Ensure