Inside the main Citra folder, look for a folder named sysdata . If it doesn't exist, create it manually.
The safest and most legal way to obtain these keys is to dump them from your own physical 3DS hardware using tools like GodMode9 .
Close and reopen the emulator to let it recognize the new configuration. Finding the Best "Citra AES Keystxt Download Top" Sources
This means your aes_keys.txt is missing, in the wrong folder, or contains outdated keys. Double-check that the file is in the sysdata directory.
