Your ROOT_URL in app.ini is http://git.osmesh.ru/ but you are visiting https://git.osmesh.ru/MOS/OpenBoard/src/commit/5bc2d5d1e8c401a06ff8a8c14d8f3b1f234c515a/resources/library/applications/Minuteur.wgt/css
You should set ROOT_URL correctly, otherwise the web may not work correctly.
bmagnin