ESPN+ is simply a service that you can access via the ESPN app. Not everything in the ESPN app is available with an ESPN+ subscription. Are you certain that the content you're wanting to watch is included with ESPN+? Are you sure it's not standard ESPN or ESPN2 content?
I as because I'm looking at the ESPN app right now, and I'm seeing some baseball games are ESPN+ and some are not. For example, at 2:37 PM I see the Liberty vs Florida game is not on ESPN+ but that Dayton vs NCA&T is on ESPN+. So with an ESPN+ subscription, you could watch the Dayton/NCA&T game, but not the Liberty/Florida game. Do the games that don't play have the ESPN+ logo on them?
Also, is your ESPN+ subscription the one you're logged in with? Remember you can get and ESPN+ subscription two ways. You can subscribe directly, or you can subscribe as part of the Disney Bundle. And those can be separate, which can be problematic.
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