Form is not submitting, it freezes after hitting Submit

Trying to ask this question again - The form I created is not working - when payment information is entered and the form is submitted it gets hung up. Not sure what is wrong or how to move past this issue. Please advise.

This is a duplicate thread. Please check my reply on the original thread: https://www.jotform.com/answers/1926633.

Please use that thread if you have any follow-up to avoid confusion. Thank you.