The "Supercharge My Comments Button" Does Nothing

Just upgraded and tried doing the optimization procedure and the “Supercharge My Comments” button does nothing when pressed.

Seeing this in the browser debug console if it helps:

Uncaught TypeError: jQuery(…).simpletip is not a function(anonymous function) @ script.js?v=6&ver=4.3.1:42j @ load-scripts.php?c=1&load[]=jquery-core,jquery-migrate,utils,farbtastic,plupload&ver=4.3.1:2k.fireWith @ load-scripts.php?c=1&load[]=jquery-core,jquery-migrate,utils,farbtastic,plupload&ver=4.3.1:2m.extend.ready @ load-scripts.php?c=1&load[]=jquery-core,jquery-migrate,utils,farbtastic,plupload&ver=4.3.1:2J @ load-scripts.php?c=1&load[]=jquery-core,jquery-migrate,utils,farbtastic,plupload&ver=4.3.1:2

https://wordpress.org/plugins/wpdiscuz/