How To Fix 30201 - Error calling a method of the tree control

30201 - Overview

• Message type: E = Error

• Message class: 30 - Service Master: Basic Data

• Message number: 201

• Message text: Error calling a method of the tree control

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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Smart SAP Assistant

• What is the cause and solution for SAP error message 30201 - Error calling a method of the tree control ?

  The SAP error message 30201, which states "Error calling a method of the tree control," typically occurs in the context of SAP GUI or when working with certain SAP applications that utilize tree controls for displaying hierarchical data. This error can arise due to various reasons, including issues with the GUI, data inconsistencies, or problems with the underlying application logic.
  Causes:
  
  GUI Issues: The SAP GUI might be outdated or corrupted, leading to problems with rendering tree controls.
  Data Inconsistencies: If the data being displayed in the tree control is inconsistent or malformed, it can cause the control to fail when trying to render or manipulate the data.
  Application Logic Errors: There may be bugs or issues in the ABAP code or the application logic that interacts with the tree control.
  Memory Issues: Insufficient memory or resources on the client machine can also lead to this error.
  Network Issues: Connectivity problems between the client and the