Hi, first of all thank you for your purchase. To better help you solve your issues we ask you to create a private ticket and send us both, administrator and FTP user and password.
We respond to all tickets, but we ask you to be patient. Please, remember that our time zone is GMT + 1.
probably you uploaded the entire package, you just have to load the dope.zip theme.
This article might help you: https://help.market.envato.com/hc/en-us/articles/202821510-Theme-is-missing-the-style-css-stylesheet-error
Let us know if we can be of further help.
Thank you so much!