I copied the wargus file a gain and run the command above, the result is: Stratagus default config file loading..... [string "/usr/share/games/stratagus/wargus/scripts/s..."]:88 attempt to call global 'SetXPDamage' (a nil value) stack traceback: [string "/usr/share/games/stratagus/wargus/scripts/s.."0:88 in main chunk I have no idea what it mean what so ever