Error on applying Embed theme

I've just installed Vanilla via my Bluehost admin panel. It was quick to install, no issues, except now when I am trying to apply the Embed plugin. I've attached the error I'm getting. Any ideas?
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Answers
You are almost there. At least you didn't say, I have a bonk, what do I do.
the key to understanding error message is to read them
.
it says a folder does not exist or has the wrong permissions.
also if all else fails you can always try searching on the forum.
hint - search for Smarty compile error -
it has been answered hundreds of times.
I may not provide the completed solution you might desire, but I do try to provide honest suggestions to help you solve your issue.
Thanks