ELRepo GPG key

If you get the following error message:

GPG key at file:///etc/pki/rpm-gpg/RPM-GPG-KEY-elrepo.org (0xBAADAE52) is already installed
The GPG keys listed for the "ELRepo.org Community Enterprise Linux Kernel Repository - el8" repository are already installed but they are not correct for this package.
Check that the correct key URLs are configured for this repository.. Failing package is: python3-perf-6.13.2-1.el8.elrepo.x86_64
 GPG Keys are configured as: file:///etc/pki/rpm-gpg/RPM-GPG-KEY-elrepo.org
The downloaded packages were saved in cache until the next successful transaction.
You can remove cached packages by executing 'yum clean packages'.
Error: GPG check FAILED

The answer is:

rpm --import https://www.elrepo.org/RPM-GPG-KEY-v2-elrepo.org

See https://elrepo.org/wiki/doku.php?id=start