CakePHP - Checkout Fix

THE COMPLETE PROJECT BRIEF IS ATTACHED YOU MUST BE ABLE TO COMPLETE THIS PROJECT WITHIN A FEW HOURS. I NEED THIS COMPLETED TODAY. On event pages [login to view URL] the BUY button is not working! After clicking BUY, the confirmation popup is not loading and the page is stuck. After clicking BUY the following popup should appear. The BUY button is adding the items to the cart correctly. It’s just the popup that has issues. A working example can be seen here [login to view URL] In the cart [login to view URL] when removing an item the same issue is occouring. This should be fixed too.