My users are reporting Error when they try to upload a form.

How to reproduce:

1 - Go to that form:
https://secure.jotform.co/form/43421752053952?user_id=90800025&username=rodrigo&broker_id=4&broker_username=foxbit&deposit_method=bb&control_number=402000013&deposit_id=7ac2c16f9b28426b8b21225d4bb88987

2 - Upload any file and you will get an error like this one:

Please accept our apologies for the inconveniences, the issue was solved.