When placing an order through the basket, there is an eternal loading. How to fix it?

Question

1C-Bitrix

When placing an order through the basket, there is an eternal loading. I fill in the required fields, click the checkout button and there is an eternal download, nothing comes to the mail of the administrator and the sales department, help!

Answer 1

You need to contact the dw.deluxe template developer support
Try clearing the cache

Answer 2

1. Look in the console for errors?
   
2. If everything worked before, now it is, then the hosting server is probably overloaded, write to the hosting TP.
   

Answer 3

1. Ajax, js fell off, a conflict appeared - look at the red in the console
2. The result processing file is missing or has an error (see what's there)