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 Sun 27 Feb 2011 03:57:06 AM JST
gpg:                using DSA key 220302B15F2ABD12
gpg: Can't check signature: No public key
==> BAD/TAMPERED signature detected! <==