==> The requested action with this object has failed.:
What am I doing wrong here?
https://learn.microsoft.com/en-us/windows/win32/api/shobjidl_core/nf-shobjidl_core-itaskbarlist3-setthumbnailtooltip
#include <WinAPI.au3>
#include <GUIConstantsEx.au3>
#include <WinAPIError.au3>
$hGUI = GUICreate("AutoIt v3", 400, 100)
GUISetState()
_SetThumbnailTooltip($hGUI, "AutoIt v3" & @CRLF & "A BASIC-like scripting language")