As I wrote in the topic: I’ll update it as soon as I know more.
But please understand that I cannot inform everyone personally.
I checked FTP access as well (because this Softaculous error is often caused by storage problems), but on the accounts I checked FTP access just worked. So I don’t think that your issue is related to the outage, but is more likely to be either specific to your account or to the way you’re trying to use it.
So please try the steps from this article first. And if that doesn’t solve the problem, please create a new topic.