ng-tags-input.css.map 404

When I try to access the homepage, I get a spinning circle and when I check the console log I get: GET http://172.16.1.99/ng-tags-input.css.map [HTTP/1.1 404 Not Found 0ms]

172.16.1.99 is a OpenWrt x86 running in VirtualBox.

Just to give an overview of the /www directory:

root@OpenWrt:~# find /www -maxdepth 2
/www
/www/cgi-bin
/www/cgi-bin/juci-download
/www/css
/www/fonts
/www/fonts/fontawesome-webfont.woff
/www/fonts/fontawesome-webfont.woff2
/www/fonts/ionicons.woff
/www/fonts/juci-icons.eot
/www/fonts/juci-icons.svg
/www/fonts/juci-icons.ttf
/www/fonts/juci-icons.woff
/www/img
/www/img/juci.png
/www/img/lang
/www/index.html
/www/initfail.html
/www/js
/www/js/01-juci.js
/www/reboot.html

JUCI related .config lines:

CONFIG_FEED_juci=y
CONFIG_PACKAGE_juci-ddns=y
# CONFIG_PACKAGE_juci-diagnostics is not set
CONFIG_PACKAGE_juci-dnsmasq-dhcp=y
CONFIG_PACKAGE_juci-dropbear=y
CONFIG_PACKAGE_juci-ethernet=y
CONFIG_PACKAGE_juci-event=y
# CONFIG_PACKAGE_juci-example-standalone is not set
CONFIG_PACKAGE_juci-firewall-fw3=y
# CONFIG_PACKAGE_juci-freecwmp is not set
# CONFIG_PACKAGE_juci-igmpinfo is not set
# CONFIG_PACKAGE_juci-jquery-console is not set
CONFIG_PACKAGE_juci-macdb=y
CONFIG_PACKAGE_juci-minidlna=y
# CONFIG_PACKAGE_juci-minisnmpd is not set
CONFIG_PACKAGE_juci-mod-status=y
CONFIG_PACKAGE_juci-mod-system=y
CONFIG_PACKAGE_juci-network-netifd=y
CONFIG_PACKAGE_juci-openwrt-wireless=y
# CONFIG_PACKAGE_juci-realtime-graphs is not set
CONFIG_PACKAGE_juci-samba=y
CONFIG_PACKAGE_juci-simple-gui=y
CONFIG_PACKAGE_juci-snmpd=y
CONFIG_PACKAGE_juci-sysupgrade=y
CONFIG_PACKAGE_juci-uhttpd=y
CONFIG_PACKAGE_juci-upnp=y
CONFIG_PACKAGE_juci-usb=y
CONFIG_PACKAGE_juci-utils=y
CONFIG_PACKAGE_juci-theme-openwrt=y
CONFIG_PACKAGE_juci=y
CONFIG_PACKAGE_juci-full-openwrt=y
# CONFIG_PACKAGE_juci-bwc is not set

I am currently on OpenWrt commit: 10a8b769ea350f17310f90d062cd81d7fb8691d0

mkschreder / juci

ng-tags-input.css.map 404 #79