Injustice IOS iPhone app

In the game I removed all the members on my team by dragging them down and then I exited the app. Now when I press Play and try to go to a level it crashes. I think this is because I don't have any members on my team, but I don't think I can edit my team without going to the battle screen. Is there a way that you can edit your team without pressing Play and going into a level?

Added (1). Yes I tried the tutorial, still crashes.

Did you try tutorial? The first stage…

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