fix

script/c40907115.lua

@@ -54,7 +54,7 @@ function c40907115.sptg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
 end
 function c40907115.spop(e,tp,eg,ep,ev,re,r,rp)
 	local tc=Duel.GetFirstTarget()
-	if tc and tc:IsRelateToEffect(e) then
+	if tc:IsRelateToEffect(e) then
 		Duel.SpecialSummon(tc,0,tp,tp,false,false,POS_FACEUP)
 	end
 end

script/c52068432.lua

@@ -12,6 +12,7 @@ function c52068432.initial_effect(c)
 	e2:SetDescription(aux.Stringid(52068432,0))
 	e2:SetCategory(CATEGORY_NEGATE)
 	e2:SetType(EFFECT_TYPE_QUICK_O)
+	e2:SetProperty(EFFECT_FLAG_DAMAGE_STEP+EFFECT_FLAG_DAMAGE_CAL)
 	e2:SetCode(EVENT_CHAINING)
 	e2:SetRange(LOCATION_HAND)
 	e2:SetCountLimit(1,52068432)

script/c75457624.lua

@@ -28,6 +28,7 @@ function c75457624.target(e,tp,eg,ep,ev,re,r,rp,chk)
 	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_EXTRA)
 end
 function c75457624.activate(e,tp,eg,ep,ev,re,r,rp)
+	if Duel.GetLocationCount(tp,LOCATION_MZONE)<=0 then return end
 	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
 	local g=Duel.SelectMatchingCard(tp,c75457624.filter,tp,LOCATION_EXTRA,0,1,1,nil,e,tp)
 	if g:GetCount()>0 then