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 Mon 16 Jun 2014 04:05:18 PM JST
gpg:                using DSA key F481D83A03E8DC6D
gpg: Can't check signature: No public key
==> BAD/TAMPERED signature detected! <==