Auto Submit Form does not work

When filling out the form with the Auto Submit Form option, the form does not fill out and the page remains loading. This happens all the time. I tried the simple way, with hcaptcha, password and url-prefill. It stays with the page loading.

Some test links:

https://opnform.com/forms/vitr-2-melqr3?d0c0f51b-c20d-431f-8494-470edcb9d954=John+Doe&58864d2a-c332-4b85-ae92-a7e2946cbd36=jondoe%40example.com&e557c4fa-c622-4888-b222-1b0198bd2c3e=Hello%21&auto_submit=true

https://opnform.com/forms/vitr-2-melqr3?d0c0f51b-c20d-431f-8494-470edcb9d954=Jon&58864d2a-c332-4b85-ae92-a7e2946cbd36=jon%40example.com&e557c4fa-c622-4888-b222-1b0198bd2c3e=asdfgh&auto_submit=true