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 18 Feb 2015 09:44:07 AM JST
gpg:                using DSA key 19C981A111F63186
gpg: Can't check signature: No public key
==> BAD/TAMPERED signature detected! <==