New crashes related to skills

Process info:
Cmd line: map-server_sql.exe
Platform: Windows OS version 5.2 build 3790 Service Pack 2

Exception:
0xc0000005 EXCEPTION_ACCESS_VIOLATION at location 0x0067CCCF reading from location 0xCCCCCEF8

Registers:
eax=cccccccc ebx=7efdf000 ecx=781bfe08 edx=00010000 esi=002dfd84 edi=002dfd6c
eip=0067cccf esp=002dfbf4 ebp=002dfd6c iopl=0         nv up ei pl nz na pe nc
cs=0023  ss=002b  ds=002b  es=002b  fs=0053  gs=002b             efl=00010202

Stacktrace:
#0  0x0067CCCF in skill_castend_id+0xB3F (tid=(int)1663, tick=(unsigned int)163827134, id=(int)2001375, data=(int)0) at e:\trakinasro\servidor\eathena\src\map\skill.c:5468
    sc = <symtag not found>
    src = <symtag not found>
    flag = (int)0
    ud = <symtag not found>
    target = <symtag not found>
    inf = (int)131072
    inf2 = (int)512
    md = <symtag not found>
    sd = <symtag not found>
#1  0x005312F7 in do_timer+0x147 (tick=(unsigned int)163827140) at e:\trakinasro\servidor\eathena\src\common\timer.c:390
    tid = (int)1663
    diff = (int)-6
#2  0x00518A7E in main+0xEE (argc=(int)1, argv=<symtag not found>) at e:\trakinasro\servidor\eathena\src\common\core.c:253
    next = (int)50
#3  0x006D0CF7 in __tmainCRTStartup+0x117 () at f:\dd\vctools\crt_bld\self_x86\crt\src\crt0.c:266
    mainret = (int)0
    managedapp = (int)0
    initret = (int)0
#4  0x006D0BCF in mainCRTStartup+0xF () at f:\dd\vctools\crt_bld\self_x86\crt\src\crt0.c:182
#5  0x7D4E7D2A in BaseProcessInitPostImport+0x8D ()