How To Fix CACSTREE002 - Structure that is maintained for the tree in Customizing is not known

CACSTREE002 - Overview

• Message type: E = Error

• Message class: CACSTREE - Message Class for Trees

• Message number: 002

• Message text: Structure that is maintained for the tree in Customizing is not known

What causes this issue?

You tried to add a node to an overview tree. The structure that the
selected tree uses must be determined from the Customizing tables.
However, the structure determined from the Customizing tables can not
be processed.

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?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CACSTREE002 - Structure that is maintained for the tree in Customizing is not known ?

  The SAP error message CACSTREE002 indicates that there is an issue with a structure that is expected to be maintained in the Customizing settings for a tree structure, but it is not recognized by the system. This error typically arises in the context of SAP applications that utilize hierarchical data structures, such as the SAP Customizing Implementation Guide (IMG) or specific modules that involve tree structures.
  
  Cause:
  
  Missing Structure Definition: The structure that is referenced in the tree configuration may not have been defined or activated in the system.
  Incorrect Configuration: There may be a misconfiguration in the Customizing settings where the tree structure is defined.
  Transport Issues: If the configuration was transported from another system, it may not have been transported correctly, leading to missing definitions.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to view or access the structure.
  
  
  Solution:
  
  
  Check Customizing Settings:
  
  Go to the relevant Customizing transaction (e.g., SPRO) and navigate