game crash, bad save maybe?

got this error today


___________________________________________
############################################################################################
FATAL ERROR in
action number 1
of Draw Event
for object Controller_obj:

Push :: Execution Error - Variable Get 106755.boss_wave(100321, -2147483648)
at gml_Script_draw_hud
############################################################################################
--------------------------------------------------------------------------------------------
stack frame is
gml_Script_draw_hud (line 0)
gml_Object_Controller_obj_Draw_0


anyone know how to fix it?