How To Fix TREE001 - Error in function module & (&)

SAP Error Message - Details

• Message type: E = Error

• Message class: TREE - Message Class for Visualization Types

• Message number: 001

• Message text: Error in function module & (&)

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

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Smart SAP Assistant

• What is the cause and solution for SAP error message TREE001 - Error in function module & (&) ?

  The SAP error message "TREE001 Error in function module & (&)" typically indicates that there is an issue with a function module related to tree structures in SAP. This error can occur in various contexts, such as when working with hierarchical data or when trying to display or manipulate tree structures in the SAP GUI.
  Causes:
  
  Data Issues: The data being processed may be corrupted or not conforming to expected formats.
  Configuration Problems: There may be issues with the configuration of the tree structure or the related objects.
  Authorization Issues: The user may not have the necessary authorizations to access the function module or the data it is trying to process.
  System Bugs: There could be bugs in the SAP system or the specific version you are using that lead to this error.
  Missing or Incomplete Data: Required data for the function module may be missing or incomplete.
  
  Solutions:
  
  Check Data Integrity: Verify that the data being processed is complete and correctly formatted. Look for any inconsistencies or missing entries.
  Review Configuration: Ensure that the configuration for the tree structure is correct. This may involve checking settings in the relevant transaction codes or customizing settings.
  Authorization Check: Make sure that the user has the necessary authorizations to execute the function module. You can check this in transaction SU53 or by consulting with your security team.
  Debugging: If you have access to the ABAP debugger, you can set breakpoints in the function module to identify where the error occurs and what data is being processed at that point.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that resolve the issue.
  Contact SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP Support for assistance. Provide them with the error message details and any relevant context.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may want to look into transaction codes related to tree structures, such as SE11 (Data Dictionary), SE37 (Function Module), or SE80 (Object Navigator).
  SAP Community: The SAP Community forums can be a valuable resource for finding similar issues and solutions shared by other users.
  Documentation: Review the official SAP documentation for the specific function module or tree structure you are working with to understand its requirements and limitations.
  
  By following these steps, you should be able to diagnose and potentially resolve the TREE001 error in your SAP environment.