Using a keys file that includes invalid or mismatched entries can cause Cemu to misread file headers. In worst-case scenarios, this leads to:
The most secure and legal way to obtain these keys is to dump them directly from your own Wii U console. Cemu on Windows - EmuDeck Wiki cemu wii u title keys full
The search term "full" usually refers to the piracy scene where a complete database of every Wii U game key is distributed online. Using a keys file that includes invalid or