How To Fix 1X012 - The specified node type cannot be used for this structure type

1X012 - Overview

• Message type: E = Error

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

• Message number: 012

• Message text: The specified node type cannot be used for this structure type

What causes this issue?

You tried to use a node type which is not in this structure type, but
you can only use node types in a structure which are explicitly
assigned to this structure's type.

System Response

The action was canceled.

How to fix this error?

If you want to use the node type, assign it to the structure type in
the structure type maintenance.

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 1X012 - The specified node type cannot be used for this structure type ?

  The SAP error message 1X012 ("The specified node type cannot be used for this structure type") typically occurs in the context of SAP's data modeling or configuration, particularly when working with structures in the SAP system, such as in the context of SAP Business Workflow, SAP PI/PO, or other data-related configurations.
  
  Cause:
  This error usually arises due to one of the following reasons:
  
  
  Incompatible Node Type: The node type you are trying to use is not compatible with the structure type you are working with. For example, you might be trying to use a node type that is not allowed for a specific structure or context.
  
  
  Incorrect Configuration: There may be a misconfiguration in the data model or structure definition, where the node type does not match the expected type for the given structure.
  
  
  Version Mismatch: If you are using different versions of SAP components or modules, there might be discrepancies in the expected node