"Exactly," Leo nodded. "That’s why you got that error. You need to run a homebrew app called 'CDecrypt' or 'dumpling' on your actual Wii U while the game is running. It grabs the Title Key from the console’s RAM. That key is a long string of letters and numbers—something like D7B04F02E... "
"But I own the game," Lena protested. "Why isn't the key on the disc?" Cemu Keys.txt
"What keys?" Lena sighed.