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I've cloned and tested your form. I am able to reproduce the same issue that you're having. This issue occurs due to using your hidden fields in conditions. Please note that, hidden field is different form showing/hiding with conditions. Hidden box fields can never be displayed in a form because they use the HTML tag "<input type="hidden">" , when interpreted by the browser is a field that's invisible to the user. However, you are solve that issue by removing hidden actions. you see below:
If you want to show/hide your fields, you need to create conditions. please, check the guide below for more information:
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