q2w crash gdb

Program received signal SIGSEGV, Segmentation fault.
0xb178df07 in G_LightningProjectile_Think (self=0xb1178404) at g_ballistics.c:681
681                     if (tr.ent->locals.take_damage) { // try to damage what we hit
Missing separate debuginfos, use: debuginfo-install glib2-2.28.8-1.fc15.i686
							glibc-2.12-1.47.el6_2.12.i686
							keyutils-libs-1.4-4.el6.i686
							krb5-libs-1.9-33.el6_3.3.i686
							libcom_err-1.41.12-12.el6.i686
							libgcc-4.4.6-4.el6.i686
							libselinux-2.0.94-5.3.el6.i686
							libstdc++-4.4.6-4.el6.i686
							mysql-libs-5.1.66-2.el6_3.i686
							ncurses-libs-5.7-3.20090208.el6.i686
							nss-softokn-freebl-3.12.9-11.el6.i686
							openssl-1.0.0-25.el6_3.1.i686
							zlib-1.2.3-29.el6.i686


(gdb) backtrace
#0  0xb178df07 in G_LightningProjectile_Think (self=0xb1178404) at g_ballistics.c:681
#1  0xb17a1cd1 in G_RunThink (ent=<value optimized out>) at g_physics.c:91
#2  0xb17a26fc in G_Physics_None (ent=0xb1178404) at g_physics.c:433
#3  G_RunEntity (ent=0xb1178404) at g_physics.c:567
#4  0xb179f728 in G_Frame () at g_main.c:860
#5  0x0804e0d1 in Sv_RunGameFrame (msec=15) at sv_main.c:617
#6  Sv_Frame (msec=15) at sv_main.c:824
#7  0x0804b458 in Frame (argc=6, argv=0xbffff774) at main.c:237
#8  main (argc=6, argv=0xbffff774) at main.c:301