/////////// INPUT_LOGIN.CPP ///////////


01. Search :
#include "priv_manager.h"

01. Add after :

#ifdef ENABLE_MOUNT_COSTUME_SYSTEM
#include "MountSystem.h"
#endif


02. Search :

    if (g_noticeBattleZone)
    {
                ...
    }

02. Add after :

#ifdef ENABLE_MOUNT_COSTUME_SYSTEM
    if (ch->GetMapIndex() != 113 && CArenaManager::instance().IsArenaMap(ch->GetMapIndex()) == false)
    {
        ch->CheckMount();
    }
#endif