Doesn't work. Uncaught Error: invalid version specified

Hi, the popup doesn’t appear. Although has the same settings as on the other site. We tried with specified AppId for our domain and without it. Anyway I’m getting this error

http://i.imgur.com/bGLX4mq.png

Tried different facebook pages with no luck.
Tried to disable other social plugins that are working on the page.

https://wordpress.org/plugins/facebook-page-promoter-lightbox/