Plugin not working after update

Updated wordpress and stripe plugin yesterday and now the pay now form won’t load. Any ideas? I’ve been using this for years without issues, but the minute I update it stops working.

http://callcollin.com/payments/

https://wordpress.org/plugins/wp-stripe/