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 Tue 15 Apr 2014 12:57:11 PM JST
gpg:                using DSA key 76990DF091A5555A
gpg: Can't check signature: No public key
==> BAD/TAMPERED signature detected! <==