Depending on how you dump your games, you may or may not need to manually manage title keys:
Distributing or using title keys for games you do not own is a violation of copyright law and Nintendo’s Intellectual Property rights. cemu wii u title keys full
If you are trying to use title keys in Cemu and encountering errors, here is a technical breakdown of why: Depending on how you dump your games, you
When Cemu boots an encrypted game, it scans this text file, matches the game's internal ID with the corresponding hexadecimal string, decrypts the data on the fly, and starts the game. Legally Sourcing Your Title Keys and Games it scans this text file