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/bd0ced234dda49e7090d1471efc8b157af79ad1b/resources/library/interactive/Graphme.wgt/JavaScript You should set ROOT_URL correctly, otherwise the web may not work correctly.