Site down

Just completed upgrading and now the admin control panel is blank and the home page is a template error.
Https://christianforums.net
Error.

Fatal error: Declaration of ThemeHouse\XLink\XF\Template\Templater::getIncludedJs() must be compatible with XF\Template\Templater::getIncludedJs(): array in /home/christianforums/public_html/src/addons/ThemeHouse/XLink/XF/Template/Templater.phpon line 80

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