lightbox not working after migration

Hi,
I just signed with Cloudways 3day trial. On my page where I use your plugin (see ling), lightbox is not working. Original live site/page (https://surf-atlantic.com/photo-gallery/) was fine till I did migration to CW.
What is causing that on both pages? How can I get it to work?
thank you,
Tibor

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