Your ROOT_URL in app.ini is http://git.osmesh.ru/ but you are visiting https://git.osmesh.ru/MOS/OpenBoard/src/commit/4ac96f709445f0a1f2e3e033871c06e9eb1dca00/resources/library/interactivities/Slider.wgt/objects
You should set ROOT_URL correctly, otherwise the web may not work correctly.