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 21 Feb 2008 07:56:49 AM JST
gpg:                using DSA key C490E7E42BFB08F7
gpg: Can't check signature: No public key
==> BAD/TAMPERED signature detected! <==