Why can't I edit my forms?

Any time I try to edit any of my forms, i just get some messages on the right hand of the screen telling my that it couldn't be loaded and to reload my page.  The forms are still working but I can't edit them.  Help?

Hi, thank you for contacting us.

Please note that we were aware of the issue and our developers have already addressed it. Please try again and get back to us if the problem persists.

Apologies for the inconvenience.