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FATAL ERROR in
action number 1
of Create Event
for object obj_enemy:

Push :: Execution Error - Variable Get 100011.gridsize(100019, -2147483648)
at gml_Object_obj_enemy_CreateEvent_1 (line 13) - grid = mp_grid_create(0,0,room_width/grid_size, room_height/gridsize, grid_size, grid_size);
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Can anyone PLEASE help me with this? please I really need help on this!