ERROR in 'mon-util.cc' at line 3238: bogus mc (no monster data): invalid monster_type 1000 (1000)

Version: Dungeon Crawl Stone Soup 0.35-a0-597-g2e6e51eef2
Platform: unix
Bits: 64
Game mode: normal
Tiles: online

Seed: 2238601295854233849, deterministic pregen: 1
Command line: /usr/games/crawl-git-2e6e51eef2 -name PixelatedCat -rc /dgldir/rcfiles/crawl-git/PixelatedCat.rc -macro /dgldir/rcfiles/crawl-git/PixelatedCat.macro -morgue /dgldir/morgue/PixelatedCat/ -webtiles-socket /crawl-master/webserver/sockets/PixelatedCat:2026-06-30.05:14:12.sock -await-connection

RC options:
restart_after_game = false


Crash caused by signal #6: Aborted

Obtained 25 stack frames.
/usr/games/crawl-git-2e6e51eef2(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x5645bc34dcce]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-2e6e51eef2(_Z13do_crash_dumpv+0x43a) [0x5645bc35bf2a]: do_crash_dump()
/usr/games/crawl-git-2e6e51eef2(_Z20crash_signal_handleri+0x1fa) [0x5645bc34e1aa]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x7d744e442910]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11b) [0x7d744e49999b]: 
/lib/x86_64-linux-gnu/libc.so.6(raise+0x16) [0x7d744e442866]: 
/usr/games/crawl-git-2e6e51eef2(+0x50d2fd) [0x5645bc35b2fd]: 
/usr/games/crawl-git-2e6e51eef2(_Z3diePKciS0_z+0x166) [0x5645bc35b976]: die(char const*, int, char const*, ...)
/usr/games/crawl-git-2e6e51eef2(_Z16mons_class_intel12monster_type+0xa3) [0x5645bc7a2e83]: mons_class_intel(monster_type)
/usr/games/crawl-git-2e6e51eef2(_Z19mons_tracking_rangePK7monster+0x14) [0x5645bc76dd04]: mons_tracking_range(monster const*)
/usr/games/crawl-git-2e6e51eef2(_Z18mons_is_irrelevantPK7monster+0x87) [0x5645bc7ef5b7]: mons_is_irrelevant(monster const*)
/usr/games/crawl-git-2e6e51eef2(_Z12mons_is_safePK7monsterbbb+0x162) [0x5645bc7ef7c2]: mons_is_safe(monster const*, bool, bool, bool)
/usr/games/crawl-git-2e6e51eef2(_Z20maybe_notice_monsterR7monsterb+0xaa) [0x5645bc856bda]: maybe_notice_monster(monster&, bool)
/usr/games/crawl-git-2e6e51eef2(_ZN7monster17finalise_movementEPK5actor+0x279) [0x5645bc7d09d9]: monster::finalise_movement(actor const*)
/usr/games/crawl-git-2e6e51eef2(+0x88d3c4) [0x5645bc6db3c4]: 
/usr/games/crawl-git-2e6e51eef2(+0x88fcb0) [0x5645bc6ddcb0]: 
/usr/games/crawl-git-2e6e51eef2(_Z19handle_monster_moveP7monster+0x1fcd) [0x5645bc6e203d]: handle_monster_move(monster*)
/usr/games/crawl-git-2e6e51eef2(_Z15handle_monstersb+0x8a8) [0x5645bc6e3578]: handle_monsters(bool)
/usr/games/crawl-git-2e6e51eef2(_Z12world_reactsv+0x135) [0x5645bcb21645]: world_reacts()
/usr/games/crawl-git-2e6e51eef2(+0xcd613a) [0x5645bcb2413a]: 
/usr/games/crawl-git-2e6e51eef2(+0xcd6ab5) [0x5645bcb24ab5]: 
/usr/games/crawl-git-2e6e51eef2(main+0x1f7) [0x5645bc27f937]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x280d0) [0x7d744e4280d0]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x89) [0x7d744e428189]: 
/usr/games/crawl-git-2e6e51eef2(_start+0x25) [0x5645bc280425]: 

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[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007d744e50fbf7 in __GI___wait4 (pid=1590089, stat_loc=0x0, options=0, usage=0x0) at ../sysdeps/unix/sysv/linux/wait4.c:30
#0  0x00007d744e50fbf7 in __GI___wait4 (pid=1590089, stat_loc=0x0, options=0, usage=0x0) at ../sysdeps/unix/sysv/linux/wait4.c:30
        sc_ret = -512
        sc_ret = <optimized out>
#1  0x00005645bc34e37c in call_gdb (file=0x7d744e5ff6c0 <_IO_2_1_stderr_>) at crash.cc:434
        gdb = <optimized out>
        attach_cmd = "attach 1588143\000\000\000\000\000"
#2  0x00005645bc35bf48 in do_crash_dump () at dbg-asrt.cc:682
        t = 1782798524
        dir = "/dgldir/morgue/PixelatedCat/"
        name = "/dgldir/morgue/PixelatedCat/crash-PixelatedCat-20260630-054844.txt", '\000' <repeats 113 times>
        signal_info = "Crash caused by signal #6: Aborted"
        cause_msg = "ERROR in 'mon-util.cc' at line 3238: bogus mc (no monster data): invalid monster_type 1000 (1000)"
        file = 0x7d744e5ff6c0 <_IO_2_1_stderr_>
#3  0x00005645bc34e1aa in crash_signal_handler (sig_num=6) at crash.cc:195
No locals.
#4  <signal handler called>
No locals.
#5  __pthread_kill_implementation (no_tid=0, signo=6, threadid=<optimized out>) at ./nptl/pthread_kill.c:44
        tid = <optimized out>
        ret = 0
        pd = <optimized out>
        old_mask = {__val = {140725602055696}}
        ret = <optimized out>
        pd = <optimized out>
        old_mask = <optimized out>
        ret = <optimized out>
        tid = <optimized out>
        ret = <optimized out>
        resultvar = <optimized out>
        resultvar = <optimized out>
        __arg3 = <optimized out>
        __arg2 = <optimized out>
        __arg1 = <optimized out>
        _a3 = <optimized out>
        _a2 = <optimized out>
        _a1 = <optimized out>
        __futex = <optimized out>
        resultvar = <optimized out>
        __arg3 = <optimized out>
        __arg2 = <optimized out>
        __arg1 = <optimized out>
        _a3 = <optimized out>
        _a2 = <optimized out>
        _a1 = <optimized out>
        __futex = <optimized out>
        __private = <optimized out>
        __oldval = <optimized out>
#6  __pthread_kill_internal (signo=6, threadid=<optimized out>) at ./nptl/pthread_kill.c:78
No locals.
#7  __GI___pthread_kill (threadid=<optimized out>, signo=signo@entry=6) at ./nptl/pthread_kill.c:89
No locals.
#8  0x00007d744e442866 in __GI_raise (sig=6) at ../sysdeps/posix/raise.c:26
        ret = <optimized out>
#9  0x00005645bc35b2fd in _BreakStrToDebugger (mesg=mesg@entry=0x7ffd3b857e10 "ERROR in 'mon-util.cc' at line 3238: bogus mc (no monster data): invalid monster_type 1000 (1000)", assert=false) at dbg-asrt.cc:820
No locals.
#10 0x00005645bc35b976 in die (file=file@entry=0x5645bcb81233 "mon-util.cc", line=line@entry=3238, format=format@entry=0x5645bcc001f8 "bogus mc (no monster data): %s (%d)") at dbg-asrt.cc:883
        tmp = "bogus mc (no monster data): invalid monster_type 1000 (1000)", '\000' <repeats 1987 times>
        mesg = "ERROR in 'mon-util.cc' at line 3238: bogus mc (no monster data): invalid monster_type 1000 (1000)", '\000' <repeats 1973 times>
        args = {{gp_offset = 40, fp_offset = 48, overflow_arg_area = 0x7ffd3b858710, reg_save_area = 0x7ffd3b858630}}
#11 0x00005645bc7a2e83 in mons_class_intel (mc=MONS_NO_MONSTER) at /usr/include/c++/13/bits/basic_string.h:222
No locals.
#12 0x00005645bc76dd04 in mons_tracking_range (mon=mon@entry=0x5645bd1613d0 <env+274704>) at mon-pathfind.cc:38
        range = 0
#13 0x00005645bc7ef5b7 in mons_is_irrelevant (mon=mon@entry=0x5645bd1613d0 <env+274704>) at nearby-danger.cc:76
        mp = <error reading variable mp (value of type `monster_pathfind' requires 201664 bytes, which is more than max-value-size)>
        range = <optimized out>
#14 0x00005645bc7ef7c2 in mons_is_safe (mon=mon@entry=0x5645bd1613d0 <env+274704>, want_move=want_move@entry=false, consider_user_options=consider_user_options@entry=true, check_dist=check_dist@entry=true) at nearby-danger.cc:120
        dist = 48
        is_safe = <optimized out>
#15 0x00005645bc856bda in _try_seen_interrupt (sc=SC_NEWLY_SEEN, mons=...) at player-notices.cc:50
        aid =