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 Fri 22 Apr 2011 01:31:40 PM JST
gpg:                using DSA key 19FAFBBEC18A831C
gpg: Can't check signature: No public key
==> BAD/TAMPERED signature detected! <==