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I have tested your form and I was able to replicate mentioned issue.
After that I have cloned your form and conditions that you have set inside of your form are causing this issue. You are trying to pass values from all of you hidden fields to matrix field at the same time and this is causing conflicts inside of your form and because of that your form is not working.
On my cloned form I have disabled all conditions.
Here is my cloned form: https://form.jotform.com/60336289839973
I would suggest you to check conditions that are set inside of your form and to set them correctly. If you want to perform calculation inside of your form this guide can help you:
And inside of this guide you can find out how to perform form calculation in the Matrix field:
Hope this will help. Let us know if you need further assistance.