Your ROOT_URL in app.ini is http://git.osmesh.ru/ but you are visiting http://91.221.70.94:3000/MOS/OpenBoard/src/commit/4e95d09c1392dc6d123ff0e0c553a3f39530fc46/resources/library/interactive/Graphme.wgt/JavaScript You should set ROOT_URL correctly, otherwise the web may not work correctly.