fixed sometimes referencing nil values

script/c14001430.lua

@@ -48,7 +48,7 @@ function c14001430.repfilter(c,tp)
 	return c:IsControler(tp) and c:IsLocation(LOCATION_GRAVE) and c:GetDestination()==LOCATION_DECK and c:IsType(TYPE_MONSTER)
 end
 function c14001430.reptg(e,tp,eg,ep,ev,re,r,rp,chk)
-	if chk==0 then return bit.band(r,REASON_EFFECT)~=0 and re:IsActiveType(TYPE_MONSTER)
+	if chk==0 then return bit.band(r,REASON_EFFECT)~=0 and re and re:IsActiveType(TYPE_MONSTER)
 		and re:GetHandler():IsSetCard(0x71) and eg:IsExists(c14001430.repfilter,1,nil,tp) end
 	if Duel.SelectYesNo(tp,aux.Stringid(14001430,0)) then
 		local g=eg:Filter(c14001430.repfilter,nil,tp)

script/c16037007.lua

@@ -21,7 +21,7 @@ function c16037007.discon(e,tp,eg,ep,ev,re,r,rp)
 	if e:GetHandler():IsStatus(STATUS_BATTLE_DESTROYED) then return false end
 	if not re:IsHasProperty(EFFECT_FLAG_CARD_TARGET) then return false end
 	local tg=Duel.GetChainInfo(ev,CHAININFO_TARGET_CARDS)
-	return tg:IsContains(e:GetHandler()) and Duel.IsChainNegatable(ev)
+	return tg and tg:IsContains(e:GetHandler()) and Duel.IsChainNegatable(ev)
 end
 function c16037007.discost(e,tp,eg,ep,ev,re,r,rp,chk)
 	if chk==0 then return e:GetHandler():CheckRemoveOverlayCard(tp,1,REASON_COST) end

script/c21702241.lua

@@ -42,7 +42,8 @@ function c21702241.operation(e,tp,eg,ep,ev,re,r,rp)
 	end
 end
 function c21702241.damcon(e,tp,eg,ep,ev,re,r,rp)
-	return eg:IsContains(e:GetHandler():GetEquipTarget())
+	local tg=e:GetHandler():GetEquipTarget()
+	return tg and eg:IsContains(tg)
 end
 function c21702241.damtg(e,tp,eg,ep,ev,re,r,rp,chk)
 	if chk==0 then return e:GetHandler():IsRelateToEffect(e)

script/c4206964.lua

@@ -14,6 +14,7 @@ function c4206964.initial_effect(c)
 	c:RegisterEffect(e2)
 end
 function c4206964.target(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
+	if not eg then return false end
 	local tc=eg:GetFirst()
 	if chkc then return chkc==tc end
 	if chk==0 then return ep~=tp and tc:IsFaceup() and tc:GetAttack()>=1000 and tc:IsOnField()

script/c50903514.lua

@@ -81,7 +81,7 @@ function c50903514.sptg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
 end
 function c50903514.spop(e,tp,eg,ep,ev,re,r,rp)
 	local tc=Duel.GetFirstTarget()
-	if tc:IsRelateToEffect(e) then
+	if tc and tc:IsRelateToEffect(e) then
 		Duel.SpecialSummon(tc,0,tp,tp,false,false,POS_FACEUP)
 	end
 end

script/c63227401.lua

@@ -49,7 +49,7 @@ function c63227401.discon(e,tp,eg,ep,ev,re,r,rp)
 	local tc=e:GetLabelObject()
 	if tc:GetFlagEffect(63227401)==0 or not re:IsHasProperty(EFFECT_FLAG_CARD_TARGET) then return false end
 	local g=Duel.GetChainInfo(ev,CHAININFO_TARGET_CARDS)
-	return g:IsContains(tc) and re:IsActiveType(TYPE_MONSTER)
+	return g and g:IsContains(tc) and re:IsActiveType(TYPE_MONSTER)
 end
 function c63227401.disop(e,tp,eg,ep,ev,re,r,rp)
 	Duel.NegateEffect(ev)

script/c70423794.lua

@@ -50,7 +50,8 @@ function c70423794.operation(e,tp,eg,ep,ev,re,r,rp)
 	end
 end
 function c70423794.descon(e,tp,eg,ep,ev,re,r,rp)
-	return eg:IsContains(e:GetHandler():GetEquipTarget())
+	local tg=e:GetHandler():GetEquipTarget()
+	return tg and eg:IsContains(tg)
 end
 function c70423794.desfilter(c)
 	return c:IsType(TYPE_SPELL+TYPE_TRAP) and c:IsDestructable()

script/c75524092.lua

@@ -51,7 +51,8 @@ function c75524092.operation(e,tp,eg,ep,ev,re,r,rp)
 	end
 end
 function c75524092.desreptg(e,tp,eg,ep,ev,re,r,rp,chk)
-	if chk==0 then return e:GetHandler():GetEquipTarget():IsReason(REASON_BATTLE) end
+	local tg=e:GetHandler():GetEquipTarget()
+	if chk==0 then return tg and tg:IsReason(REASON_BATTLE) end
 	return true
 end
 function c75524092.desrepop(e,tp,eg,ep,ev,re,r,rp)