Here are general steps you might take to resolve issues with CreamAPI:
When you run the old CreamAPI (pre-v4.5) on a new House Flipper install, you get the dreaded symptom: The game launches, the main menu shows DLC banners, but when you click "Start Game" or load a save file, you get an error: "Missing DLC: You do not own the required content to load this save." house flipper creamapi fixed