Update c23076.lua

script/c23076.lua

@@ -64,9 +64,10 @@ function c23076.thtg(e,tp,eg,ep,ev,re,r,rp,chk)
 		and Duel.IsExistingMatchingCard(Card.IsFaceup,tp,0,LOCATION_ONFIELD,1,e:GetHandler()) end
 end
 function c23076.thop(e,tp,eg,ep,ev,re,r,rp)
-	local tc=Duel.SelectMatchingCard(tp,Card.IsFaceup,tp,0,LOCATION_ONFIELD,1,1,e:GetHandler())
-	Duel.HintSelection(tc)
-	local code=tc:GetFirst():GetCode()
+	local sg=Duel.SelectMatchingCard(tp,Card.IsFaceup,tp,0,LOCATION_ONFIELD,1,1,e:GetHandler())
+	if sg:GetCount()<1 then return end
+	Duel.HintSelection(sg)
+	local code=sg:GetFirst():GetCode()
 	e:SetLabel(code)
 	local e2=Effect.CreateEffect(e:GetHandler())
 	e2:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_CONTINUOUS)