Errors

meta_yml_conforms_to_known_spec

License 'perl_5' 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 Fri 18 Nov 2011 02:28:43 AM JST
gpg:                using RSA key A4BEF1BEE0A842CB
gpg: Can't check signature: No public key