MooseX-Singleton 0.03 Deleted

Errors

meta_yml_conforms_to_known_spec
Expected a list structure (author) [Validation: 1.3];License 'Perl' is invalid (license) [Validation: 1.3]
valid_signature
Old SIGNATURE detected. Please inform the module author to regenerate SIGNATURE using Module::Signature version 0.82 or newer.
gpg: Signature made Mon 17 Dec 2007 04:19:27 AM JST
gpg:                using DSA key B317D0B4787244FA
gpg: Can't check signature: No public key
==> BAD/TAMPERED signature detected! <==