How To Fix 1X196 - The displayed structure contains unassignable nodes

1X196 - Overview

• Message type: E = Error

• Message class: 1X - General hierarchy maintenance tool message

• Message number: 196

• Message text: The displayed structure contains unassignable nodes

What causes this issue?

Unassignable nodes are nodes which refer to a sibling node which is
not/no longer in the structure. Unassignable nodes are usually nodes
with an enhancement ID which refers to a sibling node without an
enhancement ID. This sibling node has probably been deleted.

System Response

The system can no longer uniquely determine where the unassignable
nodes are to be displayed, so they are displayed as the last nodes at
their level.

How to fix this error?

Reassign unassigned nodes. Contact the person responsible for the
enhancement ID if necessary.
You can find unassignable nodes in the structure with the 'Position on
Unassignable Nodes' function.

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message 1X196 - The displayed structure contains unassignable nodes ?

  The SAP error message 1X196 ("The displayed structure contains unassignable nodes") typically occurs in the context of SAP's data structures, particularly when dealing with hierarchical data models or structures in applications like SAP BW (Business Warehouse) or SAP HANA.
  
  Cause:
  This error usually arises when there are nodes in a hierarchical structure that cannot be assigned or linked properly. This can happen due to several reasons, including:
  
  Inconsistent Data Model: The structure may have been modified, and some nodes may no longer have valid relationships or assignments.
  Missing Assignments: Certain nodes may not have been assigned to their parent nodes correctly, leading to orphaned nodes.
  Data Integrity Issues: There may be issues with the underlying data integrity, such as missing keys or references that prevent proper assignment.
  Configuration Errors: Incorrect configuration settings in the data model or structure can lead to this error.
  
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check the Structure: Review the