Your ROOT_URL in app.ini is http://159.89.207.79:3000/ but you are visiting http://9.cron.my.id:3000/tribikram/ET-VISA/src/commit/d64bba89ed26dfdf884d3059286aae83a59605f6/public/admin/plugins/flag-icon-css/flags/4x3/jm.svg
You should set ROOT_URL correctly, otherwise the web may not work correctly.