How To Fix K0108 - Sub-hierarchy & must not be changed

K0108 - Overview

• Message type: E = Error

• Message class: K0 - Error Messages for Central Controlling Routines

• Message number: 108

• Message text: Sub-hierarchy & must not be changed

What causes this issue?

The marked node is part of the standard hierarchy. This node was
transferred to another hierarchy. You can only process sections of the
standard hierarchy directly with the group maintenance transaction, and
not indirectly in other hierarchies.

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?

If you want to change sections of the standard hierarchy or the entire
standard hierarchy, you must start group maintenance with the relevant
node of the standard hierarchy. Call up the function again and enter
the node of the standard hierarchy.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message K0108 - Sub-hierarchy & must not be changed ?

  The SAP error message K0108, which states "Sub-hierarchy & must not be changed," typically occurs in the context of controlling (CO) when you are trying to modify a hierarchy that is not allowed to be changed. This can happen in various scenarios, such as when dealing with cost centers, profit centers, or internal orders.
  
  Cause:
  
  Hierarchy Locking: The hierarchy you are trying to modify is locked for changes. This can happen if the hierarchy is being used in a closed period or if it is part of a structure that is not allowed to be modified.
  Authorization Issues: The user may not have the necessary authorizations to make changes to the hierarchy.
  System Settings: Certain system settings or configurations may prevent changes to specific hierarchies.
  
  
  Solution:
  
  Check Hierarchy Status: Verify if the hierarchy is locked or if it is in a closed period. You may need to unlock it or wait until the period is open