Server error after updating Lemmy to 0.18.0 - eviltoast
Server error after updating to 0.18.0 · Issue #1530 · LemmyNet/lemmy-ui
github.com
Requirements This is a bug report, and if not, please post to https://lemmy.ml/c/lemmy_support instead. Please check to see if this issue already exists. It's a single bug. Do not report multiple b...

If you are updating Lemmy to version 0.18.0 you may want to be aware of this bug that exists with site icons. It will break your site.