# 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:** [March 6, 2019, 2:39pm 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:** 9

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**Author:** ![joshm](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/joshm/32/135134_2.png) [@joshm](https://meta.discourse.org/u/joshm)\
**Post date:** [March 7, 2019, 3:07pm UTC](https://meta.discourse.org/t/can-custom-css-cause-an-error-when-trying-to-upgrade/110867/9 "2019-03-07T15:07:32Z")

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It worked!! 😍 I’ve been trying to upgrade for several days and you fixed it. Congrats and many thanks again!!

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