> run diagnostic_v3968.exe

If you are seeing this error in your build logs, follow these steps to isolate the issue:

gdb your_program core.dump (gdb) info line *0x5809 # if 5809 is an address (gdb) list *0x5809

: The game executable (cm0102.exe) is trying to load a database that is not compatible with its current version or patch level. This often happens when users apply a custom data update (like those from ChampMan0102.net ) without using the required patched executable.