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

SAP Error Message - Details

• 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 to the section where the tree structure is defined.
  Ensure that the structure is correctly defined and activated.
  
  
  
  Verify Structure Existence:
  
  Use transaction SE11 (Data Dictionary) to check if the structure exists in the system.
  If it does not exist, you may need to create it or ensure it is properly imported from a transport request.
  
  
  
  Review Transport Requests:
  
  If the configuration was recently transported, check the transport logs to ensure that all necessary objects were included and imported correctly.
  
  
  
  Check Authorizations:
  
  Ensure that the user has the necessary authorizations to access the tree structure and related Customizing settings.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific module or functionality you are working with to ensure that all prerequisites are met.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance, especially if this is a production environment.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SPRO (Customizing), SE11 (Data Dictionary), and SE80 (Object Navigator).
  SAP Notes: Search for SAP Notes related to the specific module or error message for additional troubleshooting steps or patches.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.