Your ROOT_URL in app.ini is https://source.parasitstudio.de:63000/ but you are visiting https://source.parasitstudio.de/wirtz/BALibrary/src/commit/d38be82ea654106c889d20a6fbe8fa40253c99a7/examples/Modulation/TremoloDemoExpansion
You should set ROOT_URL correctly, otherwise the web may not work correctly.
Blackaddr Audio