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 Fri 22 May 2015 05:15:00 PM JST
gpg:                using RSA key AE3DDA3E089B5069
gpg: Can't check signature: No public key
==> BAD/TAMPERED signature detected! <==