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 Sun 04 Dec 2016 03:41:02 AM JST
gpg:                using RSA key 67263E5D9FAF5EBA
gpg: Can't check signature: No public key
==> BAD/TAMPERED signature detected! <==