[Trinity] Buffer Item Crash on Destroy

#include "ScriptPCH.h"
#include "Chat.h"
#include "GroupMgr.h"
#include "Group.h"

uint32 auras[] = { 48074, 47440, 53307, 132, 48170, 23737, 48470, 43002, 26393, 48162 };
uint32 ITEM_ID = 100004;

class Buffer_VIP : public ItemScript
{
public:
    Buffer_VIP() : ItemScript("Buffer_VIP") { }

    bool OnUse(Player * player, Item * /*item*/, SpellCastTargets const& /*targets*/)
    {
        if (player->IsInFlight())
        {
            player->GetSession()->SendNotification("You cannot use this in Flight!");
            return true;
        }

        if(player->IsInCombat())
        {
            player->GetSession()->SendNotification("You can't use this buff while in combat!");
            return false;
        }

        if (player->HasStealthAura() || player->HasFlag(UNIT_FIELD_FLAGS_2, UNIT_FLAG2_FEIGN_DEATH) || player->isDead())
        {
            player->GetSession()->SendNotification("You cannot use this,you are dead!");
            return true;
        }

        if (Group* playerGroup = player->GetGroup())
        {
            if (playerGroup->isRaidGroup())
            {
                Player* GroupMember;
                const Group::MemberSlotList members = playerGroup->GetMemberSlots();
                for (Group::member_citerator itr = members.begin(); itr!= members.end(); ++itr)
                {
                    GroupMember = (Unit::GetPlayer(*player, itr->guid));
                    for(int i = 0; i < 10; i++)
                    {
                        GroupMember->AddAura(auras[i], GroupMember);
                        player->GetSession()->SendNotification("|cffff0000You have been buffed yourself and your group!");
                        if(player->HasItemCount(ITEM_ID, 1))
                        {
                        player->DestroyItemCount(ITEM_ID, 1, true, false);
                        }
                        return false;
                    }
                }
            }
        }
        else
        {
            for(int i = 0; i < 10; i++)
            {
                player->AddAura(auras[i], player);
                player->GetSession()->SendNotification("|cffff0000You have been buffed!");
                        if(player->HasItemCount(ITEM_ID, 1))
                        {
                        player->DestroyItemCount(ITEM_ID, 1, true, false);
                        }
                return false;
            }
        }
    }
};

void AddSC_Buffer_VIP()
{
    new Buffer_VIP;
}