Segmentation fault при вызове метода

Item* m_items[PLAYER_SLOTS_COUNT];
 
Player::Player()
{
    ...
    memset(m_items, 0, sizeof(Item*)*PLAYER_SLOTS_COUNT);
    ...
}
 
void Player::RemoveFromWorld()
{
    ...
    for (uint8 i = PLAYER_SLOT_START; i < PLAYER_SLOT_END; ++i)
        if (m_items[i])
            m_items[i]->RemoveFromWorld();
}

class Item : Object
{
    ....
}
 
class Object : ACE_Copy_Disabled
{
    ...
    virtual void RemoveFromWorld();
    ...
}
 
void Object::RemoveFromWorld()
{
    if (!m_inWorld)
        return;
 
    m_inWorld = false;
 
    // if we remove from world then sending changes not required
    ClearUpdateMask(true);
}

    typedef std::map<RepListID, FactionState> FactionStateList;
 
    for (FactionStateList::iterator itr = _factions.begin(); itr != _factions.end(); ++itr)
    {
        if (itr->second.needSave)
        {
            PreparedStatement* stmt = CharacterDatabase.GetPreparedStatement(CHAR_DEL_CHAR_REPUTATION_BY_FACTION);
            stmt->setUInt32(0, m_player->GetGUIDLow());
            stmt->setUInt16(1, uint16(itr->second.ID));
            trans->Append(stmt);
 
            stmt = CharacterDatabase.GetPreparedStatement(CHAR_INS_CHAR_REPUTATION_BY_FACTION);
            stmt->setUInt32(0, m_player->GetGUIDLow());
            stmt->setUInt16(1, uint16(itr->second.ID));
            stmt->setInt32(2, itr->second.Standing);
            stmt->setUInt16(3, uint16(itr->second.Flags));
            trans->Append(stmt);
            itr->second.needSave = false;
        }
    }