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 02 Jan 2011 10:31:19 PM JST
gpg:                using RSA key 56DB0CD2AFBB6E97
gpg: Can't check signature: No public key
==> BAD/TAMPERED signature detected! <==