Your ROOT_URL in app.ini is http://git.osmesh.ru/ but you are visiting https://git.osmesh.ru/MOS/OpenBoard/src/commit/fb2ade78e822d331bcc06a37d8dc9a05b37daa31/resources/library/interactive/Anyembed.wgt/css
You should set ROOT_URL correctly, otherwise the web may not work correctly.
shibakaneki