Fatal error trying to install just purchased colorway theme

I just got this message after trying to install the colorway theme I just bought:

Fatal error: Call to undefined function scb_init() in /home2/bearerof/public_html/spirituallyconsciousmarriage.com/wp-content/plugins/colorwaytheme/wp-pagenavi.php on line 51

I am under a tight deadline, so if it's not easily resolvable, I'd like a simple refund, and I'll return to using the free version.

 

Is there somewhere else I should go for answers?

 

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