Errors

meta_yml_conforms_to_known_spec
License 'gplv2' is invalid (license) [Validation: 1.4]
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 14 Feb 2013 11:42:21 AM JST
gpg:                using DSA key 1DDBFD65F35C3807
gpg: Can't check signature: No public key
==> BAD/TAMPERED signature detected! <==