# Yarn error

**URL:** <https://meta.discourse.org/t/yarn-error/307319>\
**Category:** Self-hosting\
**Created:** [May 8, 2024, 9:32pm UTC](https://meta.discourse.org/t/yarn-error/307319 "2024-05-08T21:32:12Z")\
**Posts on this page:** 1\
**Showing post:** 8

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**Author:** ![Firepup650](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/firepup650/32/465200_2.png) [@Firepup650](https://meta.discourse.org/u/Firepup650)\
**Post date:** [May 9, 2024, 1:04pm UTC](https://meta.discourse.org/t/yarn-error/307319/8 "2024-05-09T13:04:26Z")

</div>

> [@Genisis](#):
>
> `postgres already running stop container`

Is there some other instance of postgres running (on the main host?) that is somehow communicating with the container as it’s trying to build?

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