How to solve when the package cannot be installed due to gpg: keyserver receive failed: General error when doing yay on Manjaro Linux

How to solve

echo "keyserver hkp://pool.sks-keyservers.net" > /home/$USER/.gnupg/gpg.conf 

Messages around the error that occurs

:: Importing keys with gpg...
gpg: keyserver receive failed: General error
problem importing keys

Cause

It looks like you can't connect to GPG's public key server.

refs

https://forum.manjaro.org/t/general-error-problem-importing-keys/10163