Erros:
 
Bad argument @ 'destroyElement' [Expected string at argument 1, got nil]
Bad argument @ 'triggerCleintEvent' [Expected string at argument 1, got nil]
	 
	 
	Meu client.lua:
 
	
		addEvent("onMissionStartClient", true)
addEventHandler("onMissionStartClient", root, startMission)
function startMission()
    hitmark_red = createMarker(1481.161, -1723.314, 12.547, "corona", 2, 255, 0, 0, 255) -- Substitua as coordenadas 'x' pelas coordenadas desejadas
    hitmark_blue = nil
    addEventHandler("onClientMarkerHit", hitmark_red, function(hitElement, matchingDimension)
        if getElementType(hitElement) == "player" then
            gui_h()
        end
    end)
end
startMission()
	
	Meu server.lua 
	 
 
--[[
A função ocorre tudo bem até essa parte: 
--]]
setTimer(function()
	destroyElement(vechile) -- Parte que da erro : destroyElement
	destroyElement(hitmark_blue) -- Parte que da erro : destroyElement
	destroyElement(hitmark_red) -- Parte que da erro : destroyElement
	destroyElement(npc) -- Parte que da erro : destroyElement
	triggerClientEvent(player, "onMissionStartClient", resourceRoot) -- Parte que da erro : triggerClientEvent
end, 30000, 1)
addEvent("onPlayerAcceptMission", true)
addEventHandler("onPlayerAcceptMission", resourceRoot, go_to_target)
	Meu meta.xml 
	 
 
<meta>
    <info author="ylove" version="1.0" name="HT Assassins" description="Quest Assassin 1" />
    <script src="server.lua" type="server" />
    <script src="client.lua" type="client" />
    <database name="sqlite" file="database.db" />
</meta>