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 Thu 27 May 2010 01:27:13 AM JST
gpg:                using DSA key 4EEE9FCA84C23CB1
gpg: Can't check signature: No public key
==> BAD/TAMPERED signature detected! <==