Hi! I want to play this but I'm getting an error trying to start it : 

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FATAL ERROR in
action number 1
of PreCreate Event
for object o_inventory:Push :: Execution Error - Variable Index [0,5] out of range [1,5] - -5.gama(100054,5)
at gml_Script_gml_game_save
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stack frame is
gml_Script_gml_game_save (line -1)
gml_Script_gml_game_start
gml_Room_room1_Create