Your ROOT_URL in app.ini is https://source.parasitstudio.de:63000/ but you are visiting https://source.parasitstudio.de/wirtz/MicroDexed/blame/commit/97aeb8de320b03c13bb6c0ce89705f4e15f06070/third-party/Bounce2/docs/files/search/functions_2.html
You should set ROOT_URL correctly, otherwise the web may not work correctly.