You installed a DLC that requires a newer update version than what you have. Fix: Find the latest update NSP (e.g., v1.17.0.0) and install it. You do not need to install previous updates—latest contains all prior fixes.
: The game simplifies complex dungeon-crawler mechanics into an elegant, kid-friendly format using the blocky Minecraft aesthetic. No Class System Minecraft Dungeons Switch NSP UPDATE DLC