Shared forms no longer available

The registration forms were in the My Forms window a couple of hours ago and now they are not. What is going on?

Here is one of the webpages previously created. https://form.jotform.com/51184112757150

Please advise a/s/a/p.

Thank you!

The form you referenced belongs to the user "MUCertOffice".  If the form had been shared with you as a sub-user, they may no longer be sharing the form with you or may need to share it with you once again.