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 06 Sep 2016 04:56:44 PM JST
gpg:                using DSA key 969FBB80CB04D2E7
gpg: Can't check signature: No public key
==> BAD/TAMPERED signature detected! <==