# Site not loading and breaking after doing upgrade from admin UI due to theme errors **URL:** \ **Category:** Support\ **Created:** [June 21, 2022, 8:44pm UTC](https://meta.discourse.org/t/site-not-loading-and-breaking-after-doing-upgrade-from-admin-ui-due-to-theme-errors/230674 "2022-06-21T20:44:56Z")\ **Posts on this page:** 1\ **Showing post:** 2

**Author:** ![Johani](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/johani/32/176920_2.png) [@Johani](https://meta.discourse.org/u/Johani)\ **Post date:** [June 21, 2022, 9:05pm UTC](https://meta.discourse.org/t/site-not-loading-and-breaking-after-doing-upgrade-from-admin-ui-due-to-theme-errors/230674/2 "2022-06-21T21:05:05Z")

Your theme is throwing errors. You can use [safe mode](https://meta.discourse.org/t/53504?silent=true) to bypass the theme and fix them. You have this added in the `` field in your main theme or one of its components. ```plaintext ``` find that and add `defer` to it like so ```plaintext ``` --- _[View the full topic](https://meta.discourse.org/t/site-not-loading-and-breaking-after-doing-upgrade-from-admin-ui-due-to-theme-errors/230674)._