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/4a051f2ac405a5472b8eff32f3dde97818b71856/resources/library/interactive/Graphme.wgt/JavaScript You should set ROOT_URL correctly, otherwise the web may not work correctly.