NextGen does not work on Forwarded URLs

I have what I believe is the same problem as an already resolved thread.. but it does NOT involve smartphones or ipad/ipods. Same problem on desktop regardless of Chrome or IE.

The NextGen works fine on https://www.golf.pbgpolicefoundation.org/ in the Photos tab but does NOT load on the forwarded https://www.golf.pbgpf.org

Strange for sure. As with the OP, it’s a responsive WP theme with Forwarding masked… all of which should not make any difference I would not think. As someone said, design is design.

Thoughts/suggestions??

Tom