Errors

valid_signature
Old SIGNATURE detected. Please inform the module author to regenerate SIGNATURE using Module::Signature version 0.82 or newer.
gpg: Signature made Sun 11 Jun 2006 11:26:33 PM JST
gpg:                using DSA key FC8711DDCB8204F2
gpg: Can't check signature: No public key
==> BAD/TAMPERED signature detected! <==