How To Fix C6101 - Internal error occurred while calling a tree control method

SAP Error Message - Details

• Message type: E = Error

• Message class: C6 - Messages PPC orders service routines

• Message number: 101

• Message text: Internal error occurred while calling a tree control method

What causes this issue?

The call-up of a method in tree control has ended with an exception.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message C6101 - Internal error occurred while calling a tree control method ?

  The SAP error message C6101, which states "Internal error occurred while calling a tree control method," typically indicates that there is an issue with the tree control component in the SAP GUI or the underlying application logic. This error can arise due to various reasons, including:
  Causes:
  
  Corrupted SAP GUI Installation: If the SAP GUI is not properly installed or has become corrupted, it may lead to internal errors.
  Incompatibility Issues: The version of the SAP GUI may not be compatible with the backend system or the specific transaction you are trying to execute.
  Data Issues: There may be inconsistencies or corruption in the data being processed, which can lead to errors when the tree control tries to render or manipulate that data.
  Custom Code or Enhancements: If there are custom developments or enhancements in the system that interact with tree controls, they may be causing the error.
  Memory Issues: Insufficient memory or resources on the client machine can also lead to unexpected behavior in the SAP GUI.
  
  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 for Data Issues: If you suspect data corruption, check the data being processed in the transaction. You may need to validate or clean up the data.
  Review Custom Code: If there are custom enhancements or modifications, review the code for any potential issues that could be causing the error.
  Reinstall SAP GUI: If the problem persists, consider reinstalling the SAP GUI to ensure that all components are correctly installed.
  Contact SAP Support: If none of the above solutions work, it may be necessary to contact SAP support for further assistance. Provide them with details 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. SAP Notes often contain fixes, workarounds, or additional troubleshooting steps.
  System Logs: Review system logs (transaction SM21) and developer traces (transaction ST22) for any additional error messages or information that could help diagnose the issue.
  User Forums: Consider searching or posting on SAP community forums or other user groups where similar issues may have been discussed.
  
  By following these steps, you should be able to identify and resolve the underlying cause of the C6101 error in SAP.