Some error.

[Sol]

Have you guys ever get this error? Game crash when I load my save file, and give this error message... :(

[string "Monster.lua"]:0: could not resolve monster group member with id 1264
stack traceback:
[C]: in function 'assert'
[string "Monster.lua"]: in main chunk
[string "Map.lua"]: in function 'sendMessage'
[string "GameMode.lua"]: in function 'loadGame'
[string "GameMode.lua"]: in function 'update'
[string "Grimrock.lua"]: in function 'display'
[string "Grimrock.lua"]: in main chunk

[Karl Marx]

Same thing. Don't know how to fix it.