How To Fix KPEP_WL407 - Hierarchy comparison only possible for object type cost object

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 407

• Message text: Hierarchy comparison only possible for object type cost object

What causes this issue?

The function <ZK>hierarchy comparison</> is not supported for objects
of type <ZK>order</> or <ZK>product cost collector</>.
Orders or product cost collectors are only processed in the function
<ZK>hierarchy comparison</> if they are subobjects of a different cost
object.

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?

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 KPEP_WL407 - Hierarchy comparison only possible for object type cost object ?

  The SAP error message KPEP_WL407 indicates that a hierarchy comparison is being attempted for an object type that is not supported. Specifically, this error occurs when the system expects a cost object type but receives a different type of object.
  
  Cause:
  The error typically arises in the context of cost center accounting or internal order management when:
  
  You are trying to compare hierarchies of different object types (e.g., comparing cost centers with internal orders).
  The configuration or selection criteria in your report or transaction is incorrect, leading to the system attempting to process incompatible object types.
  
  
  Solution:
  To resolve the KPEP_WL407 error, consider the following steps:
  
  
  Check Object Types: Ensure that the objects you are trying to compare are of the same type. For example, if you are comparing cost centers, make sure all selected objects are indeed cost centers.
  
  
  Review Selection Criteria: If you are using a report or transaction that allows for selection criteria, double-check that