[1.4.8] Save file does not load

[TheObserver]

I'm having troubles with a specific savefile (already sent a ticked). But now, i can't even load the game using this save. Here is the log:

Loading savefile /save/doom_metal/
Lua Error: /mod/class/Game.lua attempt to index field 'party' (a nil value)
At [C]:-1 __index
At /mod/class/Game.lua:1171 getPlayer
At /engine/Savefile.lua:779 md5Check
At /engine/Savefile.lua:546 loadGame
At /engine/Module.lua:1045 instanciate
At /engine/utils.lua:2221 showMainMenu
At /engine/init.lua:165
At [C]:-1 dofile
At /loader/init.lua:217