[HELP bug issue]Segment Faults (crash dump) PvPGN 1.99 svn

Core was generated by `./bnetd'.
Program terminated with signal 11, Segmentation fault.
#0  0x08153238 in pvpgn::elem_get_data (elem=0x10)
    at /home/gogsproj/199/src/common/list.cpp:247
247         return elem->data;
(gdb)


(gdb) bt
#0  0x08153238 in pvpgn::elem_get_data (elem=0x10)
    at /home/gogsproj/199/src/common/list.cpp:247
#1  0x080a8ace in pvpgn::bnetd::clanlist_save ()
    at /home/gogsproj/199/src/bnetd/clan.cpp:1101
#2  0x0813882f in pvpgn::bnetd::_server_mainloop (laddrs=0x88fea28)
    at /home/gogsproj/199/src/bnetd/server.cpp:1310
#3  0x0813929a in pvpgn::bnetd::server_process ()
    at /home/gogsproj/199/src/bnetd/server.cpp:1573
#4  0x0812a4e8 in main (argc=0, argv=0x0)
    at /home/gogsproj/199/src/bnetd/main.cpp:517



(gdb) bt full
#0  0x08153238 in pvpgn::elem_get_data (elem=0x10)
    at /home/gogsproj/199/src/common/list.cpp:247
        __FUNCTION__ = "elem_get_data"
#1  0x080a8ace in pvpgn::bnetd::clanlist_save ()
    at /home/gogsproj/199/src/bnetd/clan.cpp:1101
        curr = 0x10
        clan = 0x8a694c0
        __FUNCTION__ = "clanlist_save"
#2  0x0813882f in pvpgn::bnetd::_server_mainloop (laddrs=0x88fea28)
    at /home/gogsproj/199/src/bnetd/server.cpp:1310
        next_savetime = 1447058537
        track_time = 1447058417
        war3_ladder_updatetime = 1446900737
        output_updatetime = 1446900737
        count = 760
        __FUNCTION__ = "_server_mainloop"
#3  0x0813929a in pvpgn::bnetd::server_process ()
    at /home/gogsproj/199/src/bnetd/server.cpp:1573
        laddrs = 0x88fea28
        __FUNCTION__ = "server_process"
#4  0x0812a4e8 in main (argc=0, argv=0x0)
    at /home/gogsproj/199/src/bnetd/main.cpp:517
        a = 0
        pidfile = 0x0
        __FUNCTION__ = "main"

extern int clanlist_save(void)
{
    t_elem *curr;
    t_clan *clan;

    if (clanlist_head)
    {
    LIST_TRAVERSE(clanlist_head, curr)
    {
        if (!(clan = (t_clan*)elem_get_data(curr))) // THIS IS LINE OF 1101
        {
        eventlog(eventlog_level_error, __FUNCTION__, "found NULL entry in list");
        continue;
        }
        if (clan->modified)
        clan_save(clan);
    }

    }

    return 0;
}