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/d77b41f001caf1fa1c5dd3114ab78964b8217887/public/admin/plugins/ion-rangeslider
You should set ROOT_URL correctly, otherwise the web may not work correctly.
Mahesh Sharma