Submit Button not working and sometimes (but not always) shows errors

I have just finished building the form and on testing the link, the submit button does not work. Please can you advise?

This is a duplicate thread to https://www.jotform.com/answers/1429495 which is just addressed. So, we are marking this thread as answered. If you have any questions with this issue, we request you to follow-up on the other thread.

Thank you!