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 Wed 05 Jan 2011 05:13:20 PM JST
gpg:                using RSA key 56DB0CD2AFBB6E97
gpg: Can't check signature: No public key
==> BAD/TAMPERED signature detected! <==