Your ROOT_URL in app.ini is http://git.osmesh.ru/ but you are visiting https://git.osmesh.ru/MOS/OpenBoard/src/commit/ee37076bf56fefcb461e14a022dc927df0e3f6b7/resources/library/interactivities/Cat%20images.wgt/css
You should set ROOT_URL correctly, otherwise the web may not work correctly.
Claudio Valerio