Inoreader OAuth Brokern

I have been trying to add Inoreader as an app to Gumloop but keep get the error:

"Error: authorization server returned: An unsupported scope was requested"

I have cleared my cache, tried different browsers, used both the Google Login on Inoreader and manual login with email and password. I am on the Inoreader paid account.

Can someone please explain if this is a bug? Or if I’m missing something? I need Inoreader for the project I’m building – or a way for Gumloop to read an RSS feed so this is a big hurdle.