Your ROOT_URL in app.ini is https://source.parasitstudio.de:63000/ but you are visiting https://source.parasitstudio.de/wirtz/MicroDexed/commits/commit/b72fd220a31a0d2100ac93f419e83e87d746252a/doc/manuals?page=2 You should set ROOT_URL correctly, otherwise the web may not work correctly.