genericons not loaded

On my localhost the Generioons are loading properly, but on the production server they will not load (IE or FF). Error in FF

downloadable font: download failed (font-family: “Genericons” style:normal weight:normal stretch:normal src index:1): status=2147746065

source: https://www.lewesoperatic.co.uk/bar_man/wp-content/themes/graphene/fonts/genericons/genericons-regular-webfont.woff
downloadable font: download failed (font-family: “Genericons” style:normal weight:normal stretch:normal src index:1): status=2147746065

source: https://www.lewesoperatic.co.uk/bar_man/wp-content/themes/graphene/fonts/genericons/genericons-regular-webfont.woff
downloadable font: no supported format found (font-family: “Genericons” style:normal weight:normal stretch:normal src index:4)
source: (end of source list)

I have tried disabling all pluguns – no change.

Any thoughts please? I would really like to get in production soon.