Where you are getting error when you try to create a Mobile App? If it is in PDS OE preferences, you need to provide Progress ID and Password as your credentials.
But first you need to subscribe for Progress OpenEgde Mobile App Builder. Having said that Progress stopped support for current Mobile App Builder (https:/appdesigner.rollbase.com) and moved to a new Mobile
development platform called Telerik AppBuilder. You can access Telerik AppBuilder using