The most prevalent cause is the presence of "DUMMY" players in the game database. These are often 40-rated unnamed goalkeepers or 87-rated strikers with flat 80-attribute stats. If any team in the active ML save contains these unregistered entities, the game engine fails to load the associated roster data, leading to a crash.
Run an SFC Scan ( sfc /scannow in Command Prompt) to repair corrupted system files that may interfere with game execution. Conclusion pes 2013 master league crash fix