Errors

use_strict

WWW::StatsMix::Track

use_warnings

WWW::StatsMix::Track

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 08 Sep 2014 06:40:11 AM JST
gpg:                using RSA key DA172575A8EC2FE9
gpg: Can't check signature: No public key
==> BAD/TAMPERED signature detected! <==