fix

ocgcore/libcard.cpp

@@ -1857,4 +1857,5 @@ int32 scriptlib::card_reverse_in_deck(lua_State *L) {
 		pduel->write_buffer8(0);
 		pduel->write_buffer32(pcard->data.code | 0x80000000);
 	}
+	return 0;
 }

ocgcore/libduel.cpp

@@ -17,6 +17,7 @@ int32 scriptlib::duel_enable_global_flag(lua_State *L) {
 	int32 flag = lua_tointeger(L, 1);
 	duel* pduel = interpreter::get_duel_info(L);
 	pduel->game_field->core.global_flag |= flag;
+	return 0;
 }
 
 int32 scriptlib::duel_get_lp(lua_State *L) {

script/c58131925.lua

@@ -6,9 +6,9 @@ function c58131925.initial_effect(c)
 	e1:SetCategory(CATEGORY_ATKCHANGE)
 	e1:SetType(EFFECT_TYPE_QUICK_O)
 	e1:SetCode(EVENT_FREE_CHAIN)
-	e1:SetHintTiming(TIMING_DAMAGE_CAL)
+	e1:SetHintTiming(TIMING_DAMAGE_STEP)
 	e1:SetRange(LOCATION_HAND)
-	e1:SetProperty(EFFECT_FLAG_CARD_TARGET+EFFECT_FLAG_DAMAGE_STEP+EFFECT_FLAG_DAMAGE_CAL)
+	e1:SetProperty(EFFECT_FLAG_CARD_TARGET+EFFECT_FLAG_DAMAGE_STEP)
 	e1:SetCondition(c58131925.condition)
 	e1:SetCost(c58131925.cost)
 	e1:SetTarget(c58131925.target)
@@ -17,7 +17,7 @@ function c58131925.initial_effect(c)
 end
 function c58131925.condition(e,tp,eg,ep,ev,re,r,rp)
 	local phase=Duel.GetCurrentPhase()
-	return not (phase==PHASE_DAMAGE or phase==PHASE_DAMAGE_CAL) or not Duel.IsDamageCalculated()
+	return phase~=PHASE_DAMAGE or not Duel.IsDamageCalculated()
 end
 function c58131925.cost(e,tp,eg,ep,ev,re,r,rp,chk)
 	if chk==0 then return e:GetHandler():IsDiscardable() end