All icons gone

[Nevarro]

I'm sorry to have to ask once again a newbie question:

I don't think I have changed anything, when it comes to icons. However, icons everywhere have disappeared or, to be more precise, have been replaced with boxes.

Did I set an option by mistake?

[Lruihao]

Maybe cause of low network.

[Nevarro]

I don't think so. It also looks that way when running hugo server locally.