QuestFlags = 2
Escort quests or any other event-driven quests. If player in party, all players that can accept this quest will receive confirmation box to accept quest.
After receiving the confirmation box。Quest Accept defeat。
void WorldSession::HandleQuestConfirmAccept(WorldPacket& recv_data)
//if (!_player->CanTakeQuest(quest, true))
After the cancellation of these two judgments statements, ok