# Umpfack errors with periodic boundary and slightly large mesh in 3D problem

**URL:** <https://community.freefem.org/t/umpfack-errors-with-periodic-boundary-and-slightly-large-mesh-in-3d-problem/295>\
**Category:** General Discussion\
**Created:** [March 8, 2020, 12:44am UTC](https://community.freefem.org/t/umpfack-errors-with-periodic-boundary-and-slightly-large-mesh-in-3d-problem/295 "2020-03-08T00:44:55Z")\
**Posts on this page:** 1\
**Showing post:** 2

<div class="post-metadata">

**Author:** ![prj](https://avatars.discourse-cdn.com/v4/letter/p/ecae2f/32.png) [@prj](https://community.freefem.org/u/prj)\
**Post date:** [March 8, 2020, 11:11am UTC](https://community.freefem.org/t/umpfack-errors-with-periodic-boundary-and-slightly-large-mesh-in-3d-problem/295/2 "2020-03-08T11:11:18Z")

</div>

Use another solver, like MUMPS, or even UMFPACK64.

---

_[View the full topic](https://community.freefem.org/t/umpfack-errors-with-periodic-boundary-and-slightly-large-mesh-in-3d-problem/295)._