LazyVim configuration issue with icons

https://preview.redd.it/097h7q1erdld1.png?width=310&format=png&auto=webp&s=918022b63f485bdc2df39cb3c235f099319ffce1

https://preview.redd.it/uv2h90jurdld1.png?width=919&format=png&auto=webp&s=4ec174a36e4ef1026c34c34a9c4c4c41ea352ad9

I've installed LazyVim. Everything seems alright; even nvim-web-devicons are loaded. However, icons do not show up for some files. Can anyone tell how to fix it? (ChatGPT did not help.)