Booking Form not showing Calendar

Heelo,

I am having trouble with the calendar of my Booking Form. It is not rendering at all. There 2 errors in the console

Uncaught TypeError: jQuery(…).wpbc_timeselector is not a function at wpbc_hook__init_timeselector (wpbc_time-selector.js?ver=10.6.5:108:40) at HTMLDocument. (wpbc_time-selector.js?ver=10.6.5:124:2) at e (jquery.min.js?ver=3.7.1:2:27028) at t (jquery.min.js?ver=3.7.1:2:27330)

Uncaught TypeError: jQuery(…).datepick is not a function at wpbc_calendar_show (wpbc_cal.js:104:1) at HTMLDocument. (book-an-appointment/:397:1405) at e (jquery.min.js:2:27028) at t (jquery.min.js:2:27330)

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