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 13 Feb 2017 05:48:15 AM JST
gpg:                using RSA key 0315AA512CBBA832D564940A2B288E66359EAC76
gpg: Can't check signature: No public key