[Error]: intif_parse_QuestLog: quest 9293 not found in DB.

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 805616000 (LWP 100728/map-server)]
strlen (str=0x4 <Error reading address 0x4: Bad address>)
    at /usr/src/lib/libc/string/strlen.c:100
100     /usr/src/lib/libc/string/strlen.c: No such file or directory.
        in /usr/src/lib/libc/string/strlen.c
Current language:  auto; currently minimal
(gdb) bt full
#0  strlen (str=0x4 <Error reading address 0x4: Bad address>)
    at /usr/src/lib/libc/string/strlen.c:100
        p = 0x4 <Error reading address 0x4: Bad address>
        lp = (const long unsigned int *) 0x0
        va = <value optimized out>
        vb = <value optimized out>
#1  0x0000000802bd23ba in __vfprintf (fp=<value optimized out>,
    locale=0x802e7bb08, fmt0=<value optimized out>, ap=<value optimized out>)
    at /usr/src/lib/libc/stdio/vfprintf.c:845
        wcp = <value optimized out>
        xdigs_lower = 0x802c467a0 "0123456789abcdef0123456789ABCDEF", ' ' <repeats 16 times>, '0' <repeats 16 times>, "USE_XPRINTF"
        xdigs_upper = 0x802c467b0 "0123456789ABCDEF", ' ' <repeats 16 times>, '0' <repeats 16 times>, "USE_XPRINTF"
        expstr = 0x7fffffffd0d8 "▒w▒\001\b"
        buf = 0x7fffffffd020 "p▒▒▒▒\177"
        ox = 0x7fffffffcf78 "▒"
        statargtable = 0x7fffffffcfa0
        orgap = 0x7fffffffcf80
        fmt = <value optimized out>
        nextarg = 2
---Type <return> to continue, or q <return> to quit---
        ret = 19
        decimal_point = <value optimized out>
        decpt_len = 1
        cp = <value optimized out>
        dtoaresult = <value optimized out>
        expchar = <value optimized out>
        realsz = 0
        width = 0
        flags = <value optimized out>
        argtable = <value optimized out>
        ch = <value optimized out>
        n = <value optimized out>
        dprec = Error accessing memory address 0x0: Bad address.
(gdb)
(gdb) bt full
#0  strlen (str=0x4 <Error reading address 0x4: Bad address>)
    at /usr/src/lib/libc/string/strlen.c:100
        p = 0x4 <Error reading address 0x4: Bad address>
        lp = (const long unsigned int *) 0x0
        va = <value optimized out>
        vb = <value optimized out>
#1  0x0000000802bd23ba in __vfprintf (fp=<value optimized out>,
    locale=0x802e7bb08, fmt0=<value optimized out>, ap=<value optimized out>)
    at /usr/src/lib/libc/stdio/vfprintf.c:845
        wcp = <value optimized out>
        xdigs_lower = 0x802c467a0 "0123456789abcdef0123456789ABCDEF", ' ' <repeats 16 times>, '0' <repeats 16 times>, "USE_XPRINTF"
        xdigs_upper = 0x802c467b0 "0123456789ABCDEF", ' ' <repeats 16 times>, '0' <repeats 16 times>, "USE_XPRINTF"
        expstr = 0x7fffffffd0d8 "▒w▒\001\b"
        buf = 0x7fffffffd020 "p▒▒▒▒\177"
        ox = 0x7fffffffcf78 "▒"
        statargtable = 0x7fffffffcfa0
        orgap = 0x7fffffffcf80
        fmt = <value optimized out>
        nextarg = 2
---Type <return> to continue, or q <return> to quit---
        ret = 19
        decimal_point = <value optimized out>
        decpt_len = 1
        cp = <value optimized out>
        dtoaresult = <value optimized out>
        expchar = <value optimized out>
        realsz = 0
        width = 0
        flags = <value optimized out>
        argtable = <value optimized out>
        ch = <value optimized out>
        n = <value optimized out>
        dprec = Error accessing memory address 0x0: Bad address.
(gdb)
(gdb) bt
#0  strlen (str=0x4 <Error reading address 0x4: Bad address>)
    at /usr/src/lib/libc/string/strlen.c:100
#1  0x0000000802bd23ba in __vfprintf (fp=<value optimized out>,
    locale=0x802e7bb08, fmt0=<value optimized out>, ap=<value optimized out>)
    at /usr/src/lib/libc/stdio/vfprintf.c:845
#2  0x0000000802c3180d in snprintf (str=0x7fffffffd430 ":\002",
    n=<value optimized out>,
    fmt=0x85b98a "[CONQUEST][Region: %s] You killed  %s. Your guild gains %d CP.") at /usr/src/lib/libc/stdio/snprintf.c:72
#3  0x00000000007cbe41 in conquest_on_npc_kill (sd=0x8232cb6b0,
    md=0x81e6dac58, mobd=0x8206e74ac) at conquest.c:263
#4  0x00000000005a8d06 in mob_dead (md=0x8206e74ac, src=0x8232cb6b0, type=0)
    at mob.c:2667
#5  0x000000000076f1a9 in status_damage (src=0x8232cb6b0, target=0x8206e74ac,
    in_hp=696291, in_sp=0, walkdelay=528, flag=0) at status.c:1541
#6  0x000000000044f024 in battle_delay_damage_sub (tid=948, tick=8505319593,
    id=0, data=34926122568) at battle.c:334
#7  0x00000000007ee47d in do_timer (tick=8505319594) at timer.c:489
#8  0x00000000007f5b41 in main (argc=1, argv=0x7fffffffe730) at core.c:536
(gdb)