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We have been informed that the problem should be fixed by now.
However, I see that this form https://form.jotformeu.com/53085052798362 is still getting the error, I checked your account and I see that it is in the "Trash" folder, did you delete it purposely? You can restore deleted forms in the Trash folder by clicking the "Restore" button.
Let us know if you are still experiencing the problem.
We'll wait for your response.