How To Fix KT155 - Hierarchy & is already assigned to controlling area &

KT155 - Overview

• Message type: E = Error

• Message class: KT - RK Message Table Maintenance

• Message number: 155

• Message text: Hierarchy & is already assigned to controlling area &

What causes this issue?

You entered an invalid hierarchy:
INCLUDE RKS_0001 OBJECT DOKU ID TX LANGUAGE EN

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?

Choose a valid hierarchy.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KT155 - Hierarchy & is already assigned to controlling area & ?

  The SAP error message KT155 typically indicates that a hierarchy is already assigned to a controlling area, and you are attempting to perform an action that conflicts with this assignment. This error often arises in the context of controlling (CO) module activities, particularly when dealing with cost centers, profit centers, or internal orders.
  
  Cause:
  
  Hierarchy Already Assigned: The hierarchy you are trying to assign or modify is already linked to a specific controlling area.
  Incorrect Configuration: There may be an attempt to assign a hierarchy that is not compatible with the existing configuration of the controlling area.
  Data Integrity Issues: There might be inconsistencies in the data or configuration settings that prevent the action from being completed.
  
  
  Solution:
  
  
  Check Existing Assignments: 
  
  Go to the relevant transaction (e.g., KSH1 for cost center hierarchy) and check if the hierarchy is already assigned to the controlling area.
  If it is, you may need to decide whether to use the existing