Помогите с Roblox Studio

 local zombie = script.Parent 
zombie.Touched:Connect(function(other) 
    local playerCharacter = other:IsA("Player") and (other.Character or other) 
    if playerCharacter and not playerCharacter:FindFirstChild("Infected") then 
        Instance.new("BoolValue", playerCharacter).Name = "Infected" 
        print(other.Name .. " заражен!") 
    end 
end)