Your edit file contains modded league structures that the Alpha v05a cannot parse. Solution: Open the editor before loading the save. Go to Settings > Advanced and check "Bypass Championship structure verification." Reload the file.
Have you used the PES 2017 Editor Alpha v05a by ejogc327 hot? Share your custom team builds and modding stories in the comments below. pes 2017 editor alpha v05a by ejogc327 hot