# Bug report | Arithmetical error

**URL:** <https://discourse.cataclysmdda.org/t/bug-report-arithmetical-error/21383>\
**Category:** The Toolbox\
**Created:** [September 18, 2019, 4:51am UTC](https://discourse.cataclysmdda.org/t/bug-report-arithmetical-error/21383 "2019-09-18T04:51:09Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![Defective](https://sea2.discourse-cdn.com/flex016/user_avatar/discourse.cataclysmdda.org/defective/32/7260_2.png) [@Defective](https://discourse.cataclysmdda.org/u/Defective)\
**Post date:** [September 18, 2019, 4:51am UTC](https://discourse.cataclysmdda.org/t/bug-report-arithmetical-error/21383/1 "2019-09-18T04:51:09Z")

</div>

The program has crashed.  
See the log file for a stack trace.  
CRASH LOG FILE: ./config/crash.log  
VERSION: 0.D  
TYPE: Signal  
MESSAGE: SIGFPE: Arithmetical error  
STACK TRACE:

```
./cataclysm-tiles(_Z21debug_write_backtraceRSo+0x25) [0x841ee6]
./cataclysm-tiles() [0x8344d7]
./cataclysm-tiles() [0x8346d8]
/usr/lib/libc.so.6(+0x3a7e0) [0x7fd47a8027e0]
./cataclysm-tiles(_ZN12defense_game10spawn_waveEv+0x149) [0x850821]
./cataclysm-tiles(_ZN4game7do_turnEv+0x3d) [0x8e03f5]
./cataclysm-tiles(main+0x1483) [0x6b29f5]
/usr/lib/libc.so.6(__libc_start_main+0xf3) [0x7fd47a7eeee3]
./cataclysm-tiles(_start+0x29) [0x6d8849]

Attempting to repeat stack trace using debug symbols...
debug_write_backtrace(std::ostream&)
??:?
log_crash
crash.cpp:?
signal_handler
crash.cpp:?
??
??:0
defense_game::spawn_wave()
??:?
game::do_turn()
??:?
main
??:?
??
??:0
_start
??:?
```

---

<div class="post-metadata">

**Author:** ![Zhilkin](https://sea2.discourse-cdn.com/flex016/user_avatar/discourse.cataclysmdda.org/zhilkin/32/3749_2.png) [@Zhilkin](https://discourse.cataclysmdda.org/u/Zhilkin)\
**Post date:** [September 19, 2019, 6:47pm UTC](https://discourse.cataclysmdda.org/t/bug-report-arithmetical-error/21383/2 "2019-09-19T18:47:23Z")

</div>

Defense mod was not touched in a long time.