js error in console

Hii…
I have used this addon one on my website.
Here is url of this wesite :- http://dothejob.in/lms-wp/

There is a js error display in console.
Syntax error document type html.

I didn’t find that what is the mistake.
Please have a look on this. i am waiting for your reply.

Manoj.

https://ww.wp.xz.cn/plugins/wplms-mycred-addon/