# Assertion Failed at ... mob.cpp:130

**URL:** <https://discourse.stonehearth.net/t/assertion-failed-at-mob-cpp-130/36604>\
**Category:** Resolved Reports\
**Tags:** resolved\
**Created:** [July 6, 2018, 2:23pm UTC](https://discourse.stonehearth.net/t/assertion-failed-at-mob-cpp-130/36604 "2018-07-06T14:23:55Z")\
**Posts on this page:** 4\
**Page:** 1

<div class="post-metadata">

**Author:** ![Nikolay](https://sea2.discourse-cdn.com/flex022/user_avatar/discourse.stonehearth.net/nikolay/32/60048_2.png) [@Nikolay](https://discourse.stonehearth.net/u/Nikolay)\
**Post date:** [July 6, 2018, 2:23pm UTC](https://discourse.stonehearth.net/t/assertion-failed-at-mob-cpp-130/36604/1 "2018-07-06T14:23:55Z")

</div>

Hello. r869.  
I planned a wall around the city.  
After adding the next section, a window with an error appeared. No dump was created.  
[stonehearth.log](https://discourse.stonehearth.net/uploads/short-url/rmlIovvYrJt9t2xjeIZxkjOxraQ.log) (97.8 KB)  
save [https://1drv.ms/u/s!Asn3lEt-4tOhivYsZk\_gz-5PZAZf3w](https://1drv.ms/u/s!Asn3lEt-4tOhivYsZk_gz-5PZAZf3w)  
 ![image](https://cdck-file-uploads-us1.s3.dualstack.us-west-2.amazonaws.com/flex022/uploads/stonehearth/original/3X/9/3/9366c6f6f65fc3e5dafbb815e7f3baa042a5988a.png)

```
2018-07-06 17:18:23.427905 | server | 0 | app | Assertion Failed: q.is_unit()(C:\rb\ihome\root\SH-OB0-BUILD\stonehearth\source\om\components\mob.cpp:130)
2018-07-06 17:18:25.365847 | server | 1 | lua.code | generating traceback...
2018-07-06 17:18:25.366347 | server | 1 | lua.code | generating traceback...
2018-07-06 17:18:25.366347 | server | 0 | simulation.core | took 1939 ms to update game state
2018-07-06 17:18:25.366347 | server | 1 | simulation.core | game loop exhausted before any jobs processed!
2018-07-06 17:18:25.372358 | client | 0 | game_engine | window closed. exiting process
```

---

<div class="post-metadata">

**Author:** ![Banto](https://sea2.discourse-cdn.com/flex022/user_avatar/discourse.stonehearth.net/banto/32/68768_2.png) [@Banto](https://discourse.stonehearth.net/u/Banto)\
**Post date:** [July 6, 2018, 3:17pm UTC](https://discourse.stonehearth.net/t/assertion-failed-at-mob-cpp-130/36604/2 "2018-07-06T15:17:26Z")

</div>

i got something just now that also said the same end things mob.cpp:130j and a couple other similar messages did not screenshot. i was not really doing anything special at that point

---

<div class="post-metadata">

**Author:** ![Relyss](https://sea2.discourse-cdn.com/flex022/user_avatar/discourse.stonehearth.net/relyss/32/41785_2.png) [@Relyss](https://discourse.stonehearth.net/u/Relyss)\
**Post date:** [July 6, 2018, 5:58pm UTC](https://discourse.stonehearth.net/t/assertion-failed-at-mob-cpp-130/36604/3 "2018-07-06T17:58:25Z")

</div>

@Banto do you remember if you were also designing some building?

---

<div class="post-metadata">

**Author:** ![max99x](https://sea2.discourse-cdn.com/flex022/user_avatar/discourse.stonehearth.net/max99x/32/40094_2.png) [@max99x](https://discourse.stonehearth.net/u/max99x)\
**Post date:** [July 7, 2018, 12:22am UTC](https://discourse.stonehearth.net/t/assertion-failed-at-mob-cpp-130/36604/4 "2018-07-07T00:22:43Z")

</div>

This will be fixed in the next release.