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 Fri 29 Jul 2011 09:30:08 AM JST
gpg:                using RSA key C66FB5C771CA9F3C
gpg: Can't check signature: No public key
==> BAD/TAMPERED signature detected! <==