Errors

use_warnings

Wiki::Toolkit::Plugin::JSON

valid_signature

Old SIGNATURE detected. Please inform the module author to regenerate SIGNATURE using Module::Signature version 0.82 or newer.
gpg: Signature made Sat 06 Jul 2013 08:18:48 AM JST
gpg:                using RSA key 8AFCA137E26FAB0D
gpg: Can't check signature: No public key
==> BAD/TAMPERED signature detected! <==