Forms not displaying

Hello,
I translated Booking Form Fields and Forms with TranslatePress plugin. But when I’m on English version, the forms can’t display. This bug I viewed and when I try to load a forms via popup builder… When another plugin have to display the forms, it not loading.
P.P. To preview the big, please click on english flag, then on any of the booking buttons to view.

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