Your ROOT_URL in app.ini is https://gitea.jennalody.de/ but you are visiting https://gitea.jenslody.de/jenna/gnome-shell-extension-panel-osd/commits/commit/9103447af1d07354f56434e5f7a8728a0df5f9a7/README.md You should set ROOT_URL correctly, otherwise the web may not work correctly.