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/90dd06752d964bd80258dbc70f06ea7e5c0ca65b/public/admintheme/tinymce/plugins/imagetools
You should set ROOT_URL correctly, otherwise the web may not work correctly.
Mahesh Sharma