# Particle lost without warning/error or being killed, stalling the run

**URL:** <https://openmc.discourse.group/t/particle-lost-without-warning-error-or-being-killed-stalling-the-run/3098>\
**Category:** User Support\
**Created:** [June 14, 2023, 4:12pm UTC](https://openmc.discourse.group/t/particle-lost-without-warning-error-or-being-killed-stalling-the-run/3098 "2023-06-14T16:12:31Z")\
**Posts on this page:** 1\
**Showing post:** 4

<div class="post-metadata">

**Author:** ![openMC\_guy](https://avatars.discourse-cdn.com/v4/letter/o/bcef8e/32.png) [@openMC\_guy](https://openmc.discourse.group/u/openMC_guy)\
**Post date:** [May 27, 2024, 10:45am UTC](https://openmc.discourse.group/t/particle-lost-without-warning-error-or-being-killed-stalling-the-run/3098/4 "2024-05-27T10:45:21Z")

</div>

Hi Patrick,  
I’m facing the same problem described by @MIB101.  
However changing the estimator or the dimensions of the mesh didn’t help.  
The simultation still “freezes”.  
Is there any more insights about this bug?

Thanks

---

_[View the full topic](https://openmc.discourse.group/t/particle-lost-without-warning-error-or-being-killed-stalling-the-run/3098)._