There’s a major bug affecting a number of players of Fire Emblem: Three Houses. After purchasing the Nintendo Switch title’s Expansion Pass, some users are unable to start the game. However, you can rest assured that Nintendo of America has confirmed that it is aware of the issue. The publisher will be dispatching a system update to get this fixed as soon as possible, so stay tuned.
We are aware that some users who recently purchased the Expansion Pass for Fire Emblem: Three Houses are unable to start the game. A system update will be available later today to fix this. We apologize for the inconvenience.
— Nintendo of America (@NintendoAmerica) September 9, 2019