ASSERT(!spells.empty()) in 'randbook.cc' at line 552 failed.

Version: Dungeon Crawl Stone Soup 0.26.0-16-gc1dbca0489
Platform: unix
Bits: 64
Game mode: normal
Tiles: online

Seed: 9936415987525997511, deterministic pregen: 1
Command line: /usr/games/crawl-0.26 -name Gadfly -rc /dgldir/rcfiles/crawl-0.26/Gadfly.rc -macro /dgldir/rcfiles/crawl-0.26/Gadfly.macro -morgue /dgldir/morgue/Gadfly/ -webtiles-socket /crawl-master/webserver/sockets/Gadfly:2021-01-18.02:40:57.sock -await-connection

RC options:
restart_after_game = false


Crash caused by signal #6: Aborted

Obtained 19 stack frames.
/usr/games/crawl-0.26(_Z17write_stack_traceP8_IO_FILE+0x3f) [0x5605861fd43f]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-0.26(_Z13do_crash_dumpv+0x431) [0x560586204cc1]: do_crash_dump()
/usr/games/crawl-0.26(_Z20crash_signal_handleri+0x1fa) [0x5605861fd8ca]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x46210) [0x7f7071ac6210]: 
/lib/x86_64-linux-gnu/libpthread.so.0(raise+0xcb) [0x7f7071c8724b]: 
/usr/games/crawl-0.26(+0x3fa3ed) [0x5605862043ed]: 
/usr/games/crawl-0.26(+0x3fa5a5) [0x5605862045a5]: 
/usr/games/crawl-0.26(_Z20_set_book_spell_listR8item_defSt6vectorI10spell_typeSaIS2_EE+0x2ac) [0x56058663f0bc]: _set_book_spell_list(item_def&, std::vector<spell_type, std::allocator<spell_type> >)
/usr/games/crawl-0.26(_Z23init_book_theme_randartR8item_defSt6vectorI10spell_typeSaIS2_EE+0x64) [0x56058663f144]: init_book_theme_randart(item_def&, std::vector<spell_type, std::allocator<spell_type> >)
/usr/games/crawl-0.26(_Z17build_themed_bookR8item_defSt8functionIFb8spschoolS2_iRKSt6vectorI10spell_typeSaIS4_EES4_EES1_IFS2_vEEiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESI_+0x1a1) [0x56058663f321]: build_themed_book(item_def&, std::function<bool (spschool, spschool, int, std::vector<spell_type, std::allocator<spell_type> > const&, spell_type)>, std::function<spschool ()>, int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >)
/usr/games/crawl-0.26(+0x7c1407) [0x5605865cb407]: 
/usr/games/crawl-0.26(_Z15create_wandererv+0x272) [0x5605865cb772]: create_wanderer()
/usr/games/crawl-0.26(_Z17give_items_skillsRK11newgame_def+0x12) [0x5605865c73a2]: give_items_skills(newgame_def const&)
/usr/games/crawl-0.26(_Z10setup_gameRK11newgame_defb+0x28a) [0x5605865c9dea]: setup_game(newgame_def const&, bool)
/usr/games/crawl-0.26(_Z12startup_stepv+0x14f6) [0x5605866ef356]: startup_step()
/usr/games/crawl-0.26(+0xa0b06f) [0x56058681506f]: 
/usr/games/crawl-0.26(main+0x1a5) [0x56058615dea5]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf3) [0x7f7071aa70b3]: 
/usr/games/crawl-0.26(_start+0x2e) [0x56058615e9be]: 

gdb not executable.

Compilation info:
<<<<<<<<<<<
Compiled with GCC 9.3.0
Build platform: x86_64-linux-gnu
Platform: x86_64-linux-gnu
CFLAGS: -O2 -pipe -DUSE_TILE -DUSE_TILE_WEB -Wall -Wformat-security -Wundef -Wextra -Wno-missing-field-initializers -Wno-implicit-fallthrough -Wno-type-limits -Wno-uninitialized -Wno-array-bounds -Wno-format-zero-length -Wmissing-declarations -Wredundant-decls -Wno-parentheses -Wwrite-strings -Wshadow -pedantic -Wuninitialized -Iutil -I. -isystem /usr/include/lua5.1 -g -DWIZARD -DASSERTS -DREGEX_PCRE -DCLUA_BINDINGS -DDGAMELAUNCH -DSAVE_DIR_PATH="/crawl-master/crawl-0.26/saves" -DDATA_DIR_PATH="/crawl-master/crawl-0.26/data/" -DWEB_DIR_PATH="/crawl-master/crawl-0.26/data/web/" -D_DEFAULT_SOURCE -D_XOPEN_SOURCE=600
LDFLAGS: -rdynamic -fuse-ld=gold -O2 
>>>>>>>>>>>

Place info:
branch = 0, depth = 1

Level id: D:1
Level build method = ABSENT, level layout type  = ABSENT, absdepth0 = 0

Markers:
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Messages:
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Version history:
No version history (current version is 0.26.0-16-gc1dbca0489)

Game state:

mouse_enabled: 0, waiting_for_command: 0, terminal_resized: 0
io_inited: 1, need_save: 0, saving_game: 0, updating_scores: 0:
seen_hups: 0, map_stat_gen: 0, type: 1, arena_suspended: 0

prev_cmd = CMD_NO_CMD
repeat_cmd = CMD_NO_CMD

Player:
{{{{{{{{{{{
Name:    [Gadfly]
Species: Gnoll
Job:     Wanderer

HP: 0/0; mods: 0/0
MP: 0/0; mod: 0
Stats: 13 (13) 11 (11) 18 (18)
Position: (0, 0) <OoB>, god: No God (0), turn_is_over: 0, banished: 0

Skills (mode: auto)
Name            | can_currently_train | train | training | level | points | progress
Fighting        |                     |   0   |     0    |    0  |      0 | 0/12
Short Blades    |                     |   0   |     0    |    0  |      0 | 0/12
Long Blades     |                     |   0   |     0    |    0  |      0 | 0/12
Axes            |                     |   0   |     0    |    0  |      0 | 0/12
Maces & Flails  |                     |   0   |     0    |    0  |      0 | 0/12
Polearms        |                     |   0   |     0    |    0  |      0 | 0/12
Staves          |                     |   0   |     0    |    0  |      0 | 0/12
Slings          |                     |   0   |     0    |    0  |      0 | 0/12
Bows            |                     |   0   |     0    |    0  |      0 | 0/12
Crossbows       |                     |   0   |     0    |    0  |      0 | 0/12
Throwing        |                     |   0   |     0    |    1  |      0 | -12/25
Armour          |                     |   0   |     0    |    0  |      0 | 0/12
Dodging         |                     |   0   |     0    |    0  |      0 | 0/12
Stealth         |                     |   0   |     0    |    1  |      0 | -12/25
Shields         |                     |   0   |     0    |    0  |      0 | 0/12
Unarmed Combat  |                     |   0   |     0    |    3  |      0 | -75/50
Spellcasting    |                     |   0   |     0    |    2  |      0 | -37/38
Conjurations    |                     |   0   |     0    |    2  |      0 | -53/53
Hexes           |                     |   0   |     0    |    1  |      0 | -17/36
Summonings      |                     |   0   |     0    |    0  |      0 | 0/17
Necromancy      |                     |   0   |     0    |    0  |      0 | 0/17
Translocations  |                     |   0   |     0    |    0  |      0 | 0/17
Transmutations  |                     |   0   |     0    |    0  |      0 | 0/17
Fire Magic      |                     |   0   |     0    |    0  |      0 | 0/17
Ice Magic       |                     |   0   |     0    |    0  |      0 | 0/17
Air Magic       |                     |   0   |     0    |    0  |      0 | 0/17
Earth Magic     |                     |   0   |     0    |    0  |      0 | 0/17
Poison Magic    |                     |   0   |     0    |    0  |      0 | 0/17
Invocations     |                     |   0   |     0    |    0  |      0 | 0/10
Evocations      |                     |   0   |     0    |    0  |      0 | 0/12

Spell bugs:

Durations:

Attributes:
    #59: 1

Mutations:
    fangs: 1 (innate)
    strong nose: 1 (innate)

Inventory bugs:
    slot #0: item 'book of Maledictions' has invalid link 27000
    slot #0: item 'book of Maledictions' has invalid pos (0, 0) <OoB>
    slot #1: item ' "Loitae"' has invalid link 27000
    slot #1: item ' "Loitae"' has invalid pos (0, 0) <OoB>

Equipment:

}}}}}}}}}}}

Webtiles message buffer: 
Webtiles JSON stack:

Screenshot:
@

clua stack:


dlua stack:


Lua persistent data:
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Lua marker contents:
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