Your ROOT_URL in app.ini is http://git.osmesh.ru/ but you are visiting http://91.221.70.94:3000/MOS/OpenBoard/commits/commit/35740755ae47b81de3b80f284c3991b25871b030/resources/library/interactive/Graphme.wgt/JavaScript/Etude.js You should set ROOT_URL correctly, otherwise the web may not work correctly.