Your ROOT_URL in app.ini is https://source.parasitstudio.de:63000/ but you are visiting https://source.parasitstudio.de/wirtz/FixedPointsArduino/src/commit/8d0ef25aec503564953d558043244379a8c53831/examples/FixedPointCalculations You should set ROOT_URL correctly, otherwise the web may not work correctly.

Pharap 5880da2e35 Add Serial.begin for boards that need it (#15 An error occurred ) ... Some Arduino boards require `Serial.begin` (e.g. the Uno and the Due) whilst others appear to not need it (e.g. the Arduboy).		7 years ago
..
FixedPointCalculations.ino	Add Serial.begin for boards that need it (#15 An error occurred )	7 years ago