It usually symbolizes a conflicting experience and the setting of it has a lot to do with it. Its important to be aware of the role that we have in the dream, since this will reflect the position that we have taken against the problem. Pay attention if we are spectators, actors, directors of the show or observers from backstage. The plot of the play and the aspect of the theater will also give us clues about the problem that is consciously or unconsciously making us worry and that the dream wants to reveal to us.
Read more about dreaming of Theater in other dream meanings interpretations.