out of space

I checked your account and it is currently over the file storage limit.  There are a few forms in the trash for your account that are still taking up space.  Purging those forms from the trash would fully remove them and their associated data, reducing your total file storage. 

Here is how to restore the forms:

https://www.jotform.com/help/134-How-to-Restore-Deleted-Forms

But instead of restoring them, purge them.