I get the same message on trying to build the example described in the readme (GitHub - gl-inet/imagebuilder: Warning!Please look at 'GL.iNET Imagebuilder Introduction' section.):

Collected errors:

  • opkg_install_cmd: Cannot install package gl-base-files-ar.
  • opkg_install_cmd: Cannot install package gl-autoupkg.
    make[2]: *** [package_install] Error 255
    make[1]: *** [_call_image] Error 2
    make: *** [image] Fehler 2