How To Fix /ILE/CONTROLS002 - An internal error occurred in a tree control class

SAP Error Message - Details

• Message type: E = Error

• Message class: /ILE/CONTROLS -

• Message number: 002

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

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

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.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /ILE/CONTROLS002 - An internal error occurred in a tree control class ?

  The SAP error message /ILE/CONTROLS002 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 SAP GUI 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 unexpected or malformed data that the tree control cannot handle.
  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 may interfere with the standard functionality of the tree control.
  
  Solutions:
  
  Update SAP GUI: Ensure that you are using the latest version of the SAP GUI. Check for updates or patches that may resolve known issues.
  Reinstall SAP GUI: If the installation is suspected to be corrupted, consider uninstalling and then reinstalling the SAP GUI.
  Clear Cache: Clear the SAP GUI cache. Sometimes, cached data can cause unexpected behavior.
  Check Data: If the error occurs while processing specific data, check the data for any inconsistencies or issues that may be causing the tree control to fail.
  Review Custom Code: If there are any custom developments or enhancements, review them for potential issues that could affect the tree control.
  Increase Memory: If the issue is related to memory, try closing other applications or increasing the available memory on your machine.
  Contact SAP Support: If the issue persists, consider reaching out to SAP support for further assistance. Provide them with detailed information about the error, including any relevant logs or screenshots.
  
  Related Information:
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error.
  System Logs: Review system logs (transaction SM21) for any additional error messages or warnings that may provide more context.
  Transaction Codes: If the error occurs in a specific transaction, try to replicate the issue in a different transaction or environment to isolate the problem.
  
  By following these steps, you should be able to diagnose and potentially resolve the error related to the tree control class in SAP.