Hi I am getting this error on yum update. I did a yum clean and the error still exists. postgresql-python-7.3.4-1 100% |=========================| 42 kB 00:00 Getting postgresql-docs-7.3.4-11.i386.rpm postgresql-docs-7.3.4-11. 100% |=========================| 4.5 MB 00:29 Getting perl-DateManip-5.42-0.fdr.2.a.1.noarch.rpm perl-DateManip-5.42-0.fdr 100% |=========================| 154 kB 00:01 warning: rpmts_HdrFromFdno: V3 DSA signature: NOKEY, key ID 8df56d05 Error: Could not find the GPG Key necessary to validate pkg /var/cache/yum/fedora-extras/packages/perl-DateManip-5.42-0.fdr.2.a.1.noarch.rpm Error: You may want to run yum clean or remove the file: /var/cache/yum/fedora-extras/packages/perl-DateManip-5.42-0.fdr.2.a.1.noarch.rpm Error: You may also check that you have the correct GPG keys installed [root@peri1 root]#