My jotform get blank page when submit

this form : https://form.jotform.me/63442369322455

on last page when i click submit it appear a blank page.(Usually it show thank you page)

I have check in submission data it show that have submission in.

But my customer alway ask why they submit then appear blank screen.

This is a duplicate thread to https://www.jotform.com/answers/1040814- which is already addressed by our team member. 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.

Please be noted that it is not required to open multiple threads for the same issue. We will be addressing all the questions in the order they come in and as assigned. 

Thank you!