# Can custom CSS cause an error when trying to upgrade?

**URL:** <https://meta.discourse.org/t/can-custom-css-cause-an-error-when-trying-to-upgrade/110867>\
**Category:** Self-hosting\
**Tags:** multisite\
**Created:** [3월 6, 2019, 2:39오후 UTC](https://meta.discourse.org/t/can-custom-css-cause-an-error-when-trying-to-upgrade/110867 "2019-03-06T14:39:22Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![david](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/david/32/157490_2.png) [@david](https://meta.discourse.org/u/david)\
**Post date:** [3월 7, 2019, 1:49오후 UTC](https://meta.discourse.org/t/can-custom-css-cause-an-error-when-trying-to-upgrade/110867/4 "2019-03-07T13:49:30Z")

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Are you using a standard installation of Discourse, or do you have the database/app in different containers?

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_[View the full topic](https://meta.discourse.org/t/can-custom-css-cause-an-error-when-trying-to-upgrade/110867)._