About 20 minutes into “Co-Founders,” American Conservatory Theater’s new musical running through July 6, the show stopped. During the show’s fourth number, “Valley to Vallejo,” the show’s background projections, used in lieu of sets, flickered in and out. After the number wrapped, house lights came up and we were told that the advanced system used to bring Dadvatar, the lead character’s artificial intelligence replication of her dead father, to life was having problems and that the show was paused until they could fix the issue. Phil Wong, Frak the Person and Anthony Veneziale freestyled at the front of the house for a few minutes until we were told that the issue would need more time to resolve. About 20 minutes later, the show continued. Opening to a technical error is not a bad omen in and of itself; these things happen. However, opening a show centered around tech startups through a hopeful and optimistic lens belies a bigger problem at the show’s core. “Co-Founders” is an origi...