As a Network user, your Network doesn't have any apps connected to it - apps are only linked to specific accounts within a Network.
As a result, if you click the Apps dropdown without first selecting a specific account, you will see this error:
You can see that I'm currently in the Enplug Network via the dropdown in the upper left corner, and the selected account in the "Account Overview" box. Since I'm selecting a Network, there aren't any apps available.
To fix this:
- Click the dropdown in the upper left corner to select an account
- OR click the Displays dropdown to select a display group:
This will allow you to select an app as desired.