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 Thu 25 Apr 2013 08:37:38 AM JST
gpg:                using RSA key 6DD8B963AD117A2E
gpg: Can't check signature: No public key
==> BAD/TAMPERED signature detected! <==