Conflit with theme

Hi,
i’mm contacting you because there is a bug when I activate your plug-in :
This error is displayed by chrome
wp-post-modal-public.js?ver=1.0.0:298 Uncaught ReferenceError: wp is not defined
at modalCustomizer (wp-post-modal-public.js?ver=1.0.0:298)
at wp-post-modal-public.js?ver=1.0.0:312
at dispatch (jquery.js?ver=1.12.4:3)
at r.handle (jquery.js?ver=1.12.4:3)

And I noticed that the roll-over of my website is not working.
Could you please help ?
Tks,

The page I need help with: [log in to see the link]