Your ROOT_URL in app.ini is http://git.osmesh.ru/ but you are visiting https://git.osmesh.ru/MOS/OpenBoard/src/commit/1c132000f02dbba78c784fa8a120a585f1d58d86/resources/library/audios/Animaux/oiseaux/chouette.mp3
You should set ROOT_URL correctly, otherwise the web may not work correctly.