How To Fix GK108 - Node & already assigned in the hierarchies

GK108 - Overview

• Message type: E = Error

• Message class: GK - Messages for SAP Consolidation

• Message number: 108

• Message text: Node & already assigned in the hierarchies

What causes this issue?

The node already exists in the hierarchies. It is not possibel to
create it again.

System Response

Error message

Error message extract from SAP system. Copyright SAP SE.

GK108 - Details

• The SAP error message GK108 ("Node & already assigned in the hierarchies") typically occurs in the context of SAP's hierarchical data structures, such as when working with organizational units, cost centers, or other hierarchical elements. This error indicates that the node you are trying to assign to a hierarchy is already assigned to another hierarchy, which is not allowed.
  
  Cause:
  
  Duplicate Assignment: The node (e.g., cost center, profit center, etc.) is already part of another hierarchy, and SAP does not allow a single node to be assigned to multiple hierarchies simultaneously.
  Incorrect Hierarchy Structure: The hierarchy structure may not be set up correctly, leading to conflicts when trying to assign nodes.
  Data Integrity Issues: There may be data integrity issues in the system, such as orphaned nodes or incorrect relationships between nodes.
  
  
  Solution:
  
  
  Check Existing Assignments: 
  
  Use transaction codes like KSH1 (for cost centers) or KSH2 to check the existing assignments of the node in question.