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 Tue 31 Jul 2007 04:18:18 PM JST
gpg:                using DSA key BB32410125E9AAFB
gpg: Can't check signature: No public key
==> BAD/TAMPERED signature detected! <==