Can't retrieve GPG key from Lyx fingerprint

[Pavel Sanda]

On Mon, Jan 04, 2021 at 07:20:45PM +0100, suez12 at free.fr wrote:
> I've also search on the internet for help or places to find this key without
> any success.
> 
> Does anybody has any cue on this error ?

Most likely you are connecting to a keyserver which is down.
You can try different server (by passing it through 
keyserver parameter). Server hkp://keys.gnupg.net tries
round-robin for multiple servers detected to be online,
so try e.g.:

gpg --keyserver hkp://keys.gnupg.net --recv-keys FE66471B43559707AFDAD955DE7A44FAC7FB382D 

If it does not work please provide exact error message, cheers,
Pavel