I’m using Invigorator Pro 4.0.4. But I don’t think that is the issue. As the previous post suggested, you have to make sure you actually have a “path” in the file – which I assumed you did… You can always email me the file (john@motionworks.com.au) and I can check it out for you on my system.
John Dickinson
Motionworks
https://www.motionworks.com.au