Fix Duel.ChangePosition (#2845)

c60398723.lua

@@ -25,8 +25,8 @@ function c60398723.rfilter(c)
 end
 function c60398723.activate(e,tp,eg,ep,ev,re,r,rp)
 	local tc=Duel.GetFirstTarget()
-	if tc:IsRelateToEffect(e) and tc:IsControler(1-tp) and tc:IsFaceup() then
-		Duel.ChangePosition(tc,POS_FACEDOWN_DEFENSE)
+	if tc:IsRelateToEffect(e) and tc:IsControler(1-tp) and tc:IsFaceup()
+		and Duel.ChangePosition(tc,POS_FACEDOWN_DEFENSE)>0 then
 		local rg=Duel.GetMatchingGroup(c60398723.rfilter,tp,LOCATION_FZONE,LOCATION_FZONE,nil)
 		if rg:GetCount()~=0 and Duel.SelectYesNo(tp,aux.Stringid(60398723,0)) then
 			Duel.BreakEffect()

c86999951.lua

@@ -32,8 +32,7 @@ function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
 end
 function s.operation(e,tp,eg,ep,ev,re,r,rp)
 	local g=Duel.GetMatchingGroup(Card.IsCanTurnSet,tp,0,LOCATION_MZONE,nil)
-	if g:GetCount()>0 then
-		Duel.ChangePosition(g,POS_FACEDOWN_DEFENSE)
+	if g:GetCount()>0 and Duel.ChangePosition(g,POS_FACEDOWN_DEFENSE)>0 then
 		local g1=Duel.GetMatchingGroup(Card.IsFaceup,tp,0,LOCATION_ONFIELD,nil)
 		if g1:GetCount()>0 and Duel.SelectYesNo(tp,aux.Stringid(id,1)) then
 			Duel.BreakEffect()