Your ROOT_URL in app.ini is http://git.osmesh.ru/ but you are visiting https://git.osmesh.ru/MOS/OpenBoard/src/commit/e595d54be5087d043d1ab1532f270e0c12f908e3/resources/library/applications/Calculator.wgt/dist
You should set ROOT_URL correctly, otherwise the web may not work correctly.
Clément Fauconnier