Qual o motivo deste tópico? 
 
	Estou tendo esse erro ao utilizar a Pokebar: Lua Script Error: [TalkAction Interface] 
	data/talkactions/scripts/usesummon.lua:onSay 
	data/talkactions/scripts/usesummon.lua:4: attempt to index global 'ball' (a nil value) 
	stack traceback: 
	        [C]: in function '__index' 
	        data/talkactions/scripts/usesummon.lua:4: in function <data/talkactions/scripts/usesummon.lua:3>
 
	 
 
	Você tem o código disponível? Se tiver publique o aqui: Usesummons.lua:
 
	function onSay(player, words, param) 
	    print("Tentando invocar Pokémon com a ball ID: " .. ball:getId()) 
	    if player:isSummonBlocked() then return false end 
	     
	    if doReleaseSummon(player:getId(), player:getPosition(), balls[ballKey].effectRelease, true, balls[ballKey].missile) then 
	        ball:transform(balls[ballKey].usedOff) 
	        ball:setSpecialAttribute("isBeingUsed", 1) 
	    else 
	        player:sendTextMessage(MESSAGE_STATUS_SMALL, "Não foi possível usar este Pokémon.") 
	        ball:setSpecialAttribute("isBeingUsed", 0) -- Reseta o status da ball para garantir que possa ser usada novamente 
	    end
 
	 
	    local index = tonumber(param) 
	    if not index then return false end 
	    local exhaust = Condition(CONDITION_EXHAUST_WEAPON) 
	    if player:isDuelingWithNpc() then 
	        exhaust:setParameter(CONDITION_PARAM_TICKS, 10000) 
	    else 
	        exhaust:setParameter(CONDITION_PARAM_TICKS, 1000) 
	    end 
	    if player:getCondition(CONDITION_EXHAUST_WEAPON) then 
	        player:sendTextMessage(MESSAGE_STATUS_SMALL, Game.getReturnMessage(RETURNVALUE_YOUAREEXHAUSTED)) 
	        return false 
	    end 
	     
	    local pokeballs = player:getPokeballs() 
	    local ball = pokeballs[index] 
	--    local ball = player:getSpecialStorage("pokes")[index]
 
	    if not ball then 
	        print("WARNING! Player " .. player:getName() .. " had problems trying to use pokebar: selected ball not found.") 
	        player:refreshPokemonBar({}, {}) 
	        return false 
	    end
 
	    if player:canReleaseSummon(ball:getSummonLevel(), ball:getSummonBoost(), ball:getSummonOwner()) then 
	        if hasSummons(player) then 
	            local usingBall = player:getUsingBall() 
	            if not usingBall then 
	                print("WARNING! Player " .. player:getName() .. " had problems trying to use pokebar: doRemoveSummon.") 
	                player:refreshPokemonBar({}, {}) 
	                return false 
	            end 
	            if usingBall:getId() == ball:getId() then 
	                local usingBallKey = getBallKey(usingBall:getId()) 
	                doRemoveSummon(player:getId(), balls[usingBallKey].effectRelease, false, true, balls[usingBallKey].missile) 
	                usingBall:transform(balls[usingBallKey].usedOn) 
	                player:addCondition(exhaust) 
	                return false 
	            end 
	            local usingBallKey = getBallKey(usingBall:getId()) 
	            doRemoveSummon(player:getId(), balls[usingBallKey].effectRelease, false, true, balls[usingBallKey].missile) 
	            usingBall:transform(balls[usingBallKey].usedOn) 
	            player:addCondition(exhaust) 
	        end
 
	        local ballKey = getBallKey(ball:getId()) 
	        ball:transform(balls[ballKey].usedOff) 
	        ball:setSpecialAttribute("isBeingUsed", 1) 
	        doReleaseSummon(player:getId(), player:getPosition(), balls[ballKey].effectRelease, true, balls[ballKey].missile) 
	        player:addCondition(exhaust) 
	    end
 
	    return false 
	end 
	 
 
	 
 
	Você tem alguma imagem que possa auxiliar no problema? Se sim, coloque-a aqui.