If you have troubles since the update to WordPress 4.5 please read this post before opening a new thread.
Uncaught TypeError: Object #<Object> has no method ‘addTest’ avia.js:1807
Uncaught TypeError: Cannot read property ‘prototype’ of undefined avia.js:308
This plugin seems to be causing the conflict:
Their support forum suggested asking here.
Let me tag the rest of the support team.
Better way is to find another plugin that will not conflict with the theme.