Resolved: Facebook (FB) Group Add Apps Error: This Page Isn't Available Right Now... Reload Page?
Channel: George Kao
Date: 2022-04-24

"This Page Isn't Available Right Now. This may be because of a technical error that we're working to get fixed. Try reloading this page." 

If you're getting this error, try a different browser. For example switch from Google Chrome to Safari or Firefox and try adding the app again to the FB group.