I just found out that a deleted account can't be used as a team member, either! I'm completely locked out of my client's account. I'm sorry I referred them to Cloudways and will be looking for an alternative.
+1 Very annoying limitation as it is now.
The feature( in beta) is now available in Platform.
For information on how to use Staging feature please follow link below,
@Cloudways "We aim to be flexible on how people can use our platform…" Simple, integrated staging functionality would add flexibility, not limit it. Nobody is suggesting taking away existing functionality. It would be very helpful to have a button to clone an app (or server, for that matter) and prefix the domain(s), and another to replace the live version with the stage.
As a work-around, I'm thinking I could set up a cron job to check the size of a directory and alert me when it gets to a size.