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 Sat 08 Jul 2006 01:43:34 AM JST
gpg:                using DSA key 7B08C24F7F24E1D9
gpg: Can't check signature: No public key
==> BAD/TAMPERED signature detected! <==