Ensure Your Theme Has wp_head() and wp_footer()

It now has it in both but the problem persists.

I checked the code, both are there, but the plugin cant work after voted for once, actually, I tried to add the line directly to single.php, but it comes out error.
any ideas?
Thanks.

and the post I added [ratings] is https://www.roselline.com/test.html
would you please help me with this problem? thanks.