I'm receiving this error from the Fedora 21 x86_64 repo:

Retrieving key from file:///etc/pki/rpm-gpg/RPM-GPG-KEY-rpmfusion-free-fedora-21


The GPG keys listed for the "RPM Fusion for Fedora 21 - Free" 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: 1:libtxc_dxtn-1.0.0-4.fc22.i686
 GPG Keys are configured as: file:///etc/pki/rpm-gpg/RPM-GPG-KEY-rpmfusion-free-fedora-21