How To Fix S03012 - Error calling a tree structure method (Tree Control)

S03012 - Overview

• Message type: E = Error

• Message class: S03 - Messages for Enjoy TCC Monitors, July 20, 1999

• Message number: 012

• Message text: Error calling a tree structure method (Tree Control)

What causes this issue?

An error occurred while calling a method of the tree control.

System Response

This may cause navigation problems or reduced selection options.

How to fix this error?

Restart the workload monitor. If the error persists, check your
frontend installation.

Procedure for System Administrators

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 S03012 - Error calling a tree structure method (Tree Control) ?

  The SAP error message S03012, which indicates an error when calling a tree structure method (Tree Control), typically arises in the context of SAP GUI applications that utilize tree controls for displaying hierarchical data. This error can occur due to various reasons, including issues with the data being processed, problems with the tree control itself, or even bugs in the underlying code.
  Causes:
  
  Data Issues: The data being passed to the tree control may be malformed or not in the expected format.
  Control State: The tree control may be in an invalid state, such as being uninitialized or not properly rendered.
  Method Invocation: The method being called on the tree control may not exist or may not be applicable in the current context.
  User Interface Issues: There may be issues with the user interface, such as conflicts with other controls or components.
  SAP GUI Version: Compatibility issues with the version of SAP GUI being used.
  
  Solutions:
  
  Check Data: