Your ROOT_URL in app.ini is http://git.osmesh.ru/ but you are visiting https://git.osmesh.ru/MOS/OpenBoard/src/commit/1f1fe9844ad7f0577dcb6b934e0e1d68c224a934/resources/library/pictures/Cartes
You should set ROOT_URL correctly, otherwise the web may not work correctly.
Claudio Valerio