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/commit/eb0d3c28e29fa08ce542039ee4282fc75c7de011?style=unified&whitespace=show-all
You should set ROOT_URL correctly, otherwise the web may not work correctly.