i need help i cant make zombies or spawn weapons from a brick

[BLUE BOY B]

please look at title and also when i start a new game it says fire file does not exsist but i does

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[BLUE BOY B]

please look at title and also when i start a new game it says fire file does not exsist but i does

also i cant make events that include gun things please help

[BLUE BOY B]

also i cant make events that include gun things please help

and also i cant play music on the music blocks waaaaa