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Your forms were disappearing since, somehow, you changed the title of one of the forms to be like this:
Which caused all content to be blocked by the browser.
I changed the name of that form to 'test' and it is working now, feel free to change it to anything you wish, except the above one :)
Let me know if you have further questions.
I see. Thank you so much!
On behalf of my colleague, Nik_C, you are most welcome. Please feel free to contact us anytime if you have any other questions or concerns.