Can't update to 4.7.8 ("There are no applications available to upgrade")

[David N.]

I can't update to 4.7.8, I get this: 

[Stuart Silvester]

Hi David,

We've got your site in debug mode whilst we're looking into your other issue. You'll need to wait for us to disable that before you can upgrade. I'll be providing an update to you via that ticket momentarily. 

[David N.]

Ah ok thanks Stuart. 🙂