How To Fix TREE_CONTROL_MSG002 - An internal error occurred in a tree control class

SAP Error Message - Details

• Message type: E = Error

• Message class: TREE_CONTROL_MSG - Tree Control

• Message number: 002

• Message text: An internal error occurred in a tree control class

What causes this issue?

This error should not occur.

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 TREE_CONTROL_MSG002 - An internal error occurred in a tree control class ?

  The SAP error message "TREE_CONTROL_MSG002 An internal error occurred in a tree control class" typically indicates that there is an issue with the tree control component in the SAP GUI or the underlying application. This error can arise due to various reasons, including:
  Causes:
  
  Corrupted GUI Installation: The SAP GUI installation may be corrupted or not properly configured.
  Incompatible Version: The version of the SAP GUI may not be compatible with the backend system or the specific application you are trying to access.
  Data Issues: There may be issues with the data being processed, such as missing or corrupted entries that the tree control is trying to display.
  Memory Issues: Insufficient memory or resources on the client machine can lead to this error.
  Custom Code or Add-ons: If there are custom developments or third-party add-ons, they might interfere with the standard functionality of the tree control.
  
  Solutions:
  
  Restart SAP GUI: Sometimes, simply restarting the SAP GUI can resolve temporary glitches.
  Update SAP GUI: Ensure that you are using the latest version of the SAP GUI. Check for updates or patches that may address known issues.
  Clear Cache: Clear the SAP GUI cache. This can sometimes resolve issues related to corrupted temporary files.
  Check Data: If you suspect data issues, check the data being processed in the application. Look for any inconsistencies or missing entries.
  Reinstall SAP GUI: If the problem persists, consider uninstalling and then reinstalling the SAP GUI to ensure a clean installation.
  Check for Custom Code: If you have custom developments, review them for any potential issues that could be causing the error.
  Contact SAP Support: If none of the above solutions work, it may be necessary to contact SAP support for further assistance. Provide them with detailed information about the error, including the steps to reproduce it.
  
  Related Information:
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message.
  System Logs: Review system logs (transaction SM21) for any additional error messages or warnings that may provide more context about the issue.
  Transaction Codes: If the error occurs in a specific transaction, note the transaction code and any specific actions that lead to the error, as this information can be helpful for troubleshooting.
  
  By following these steps, you should be able to identify and resolve the issue related to the "TREE_CONTROL_MSG002" error in SAP.