Your ROOT_URL in app.ini is https://gitea.jennalody.de/ but you are visiting https://gitea.jenslody.de/jenna/gnome-shell-extension-openweather/commits/commit/401d68e277a4076624d72d22a0620a9edb7e51c8/data/org.gnome.shell.extensions.openweather.gschema.xml You should set ROOT_URL correctly, otherwise the web may not work correctly.