AHK v2: Не могу решить ошибку при запуске скрипта

#SingleInstance Force

1::{
    WinActivate "ahk_exe Telegram.exe"
    Loop
    {
        Random, ClickCount, 20, 40
        Counter := 0
        
        while (Counter < ClickCount)
        {
            if PixelSearch(&Px1, &Py1, 15, 578, 356, 634, 0x4b9de9, 3)
            {
                Click "Down", Px1, Py1
                sleep 1
                Click "Up"
                Counter++
            }
            if PixelSearch(&Px, &Py, 0, 125, 386, 657, 0xC9D800, 10)
            {
                Click "Down", Px, Py
                sleep 1
                Click "Up"
                Counter++
            }
            
            if (Counter >= ClickCount)
                break
        }

        Sleep, 1000
    }
}
2::Pause

3::ExitApp