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/blame/commit/0d1128909ab4bb2ef16342006b59711a15e9bb06/m4/.gitignore You should set ROOT_URL correctly, otherwise the web may not work correctly.