Check your config.txt in the kitserver folder to ensure the AFS2FS module is enabled.
Whether you are installing a modern patch like the Ultimate Patch or trying to run a "RIP" version of the game, this guide provides the exact steps to resolve the error. pes 6 afs file not found
: The game is looking for e_text.afs (English), but you only have s_text.afs (Spanish) or vice versa. Check your config