It crashed...and i can't seem to load my file...

Script 'Game_Interpreter' line 1411: No MethodError occured.

-undefined method 'keys' for nil:NilClass"

I'm not sure how to fix it

Game_Interpreter:1411:in `eval' :  undefined method `keys' for nil:NilClass  (NoMethodError) 

from Composite Graphics:534:in `block in make_save_header'

from Composite Graphics:532:in `each'

from Composite Graphics:532:in `make_save_header'

from WEAPON Refine_Script:348:in `block in save_game_without_rescue'

from WEAPON Refine_Script:346:in `open'

from WEAPON Refine_Script:346:in `save_game_without_rescue'

from  DT's Autosave:800:in `call'

from (eval):1:in `command_355'

from Game_Interpreter:1411:in `eval'

from Game_Interpreter:1411:in `command_355'

from Game_Interpreter:197:in `execute_command'

from Game_Interpreter:103:in `run'

from Game_Interpreter:60:in `block in create_fiber'