Your ROOT_URL in app.ini is https://source.parasitstudio.de:63000/ but you are visiting https://source.parasitstudio.de/wirtz/OpenAudio_ArduinoLibrary/src/commit/64051bc09fb4ef373e19cebfde7e4c91c93ccc74/docs You should set ROOT_URL correctly, otherwise the web may not work correctly.

Chip Audette 64051bc09f GUI: update GUI for new blocks		8 years ago
..
audio_f32_html	GUI: add docs for 3206	8 years ago
audio_html	GUI: begin adding per-node HTML docs	8 years ago
bootstrap	Adding GUI to docs	8 years ago
font-awesome	Adding GUI to docs	8 years ago
icons	Adding GUI to docs	8 years ago
img	GUI: update picture of Tympan	8 years ago
jquery	Adding GUI to docs	8 years ago
orion	Adding GUI to docs	8 years ago
red	GUI: update for queues and white and pink noise	8 years ago
scripts	GUI: update GUI for new blocks	8 years ago
favicon.ico	Adding GUI to docs	8 years ago
index.html	GUI: update GUI for new blocks	8 years ago
orig_index.html	Adding GUI to docs	8 years ago
style.css	Adding GUI to docs	8 years ago