Getting Error while importing demo Data of theme

I am trying to import demo data but it gives me the error of toolkit version
kindly have a look and suggest to me what to do
The Error screenshot is here:

Hi @RicoSims,

Please contact the author of your purchased theme, the theme author will assist you.

How to contact an author to get support or for any technical query:

Thanks

Seems like the files has been removed. Check ThemeForest > Download > All Files ZIP. The file may be there so you can upload it manually