Errors

use_warnings
Tie::Cache::LRU, Tie::Cache::LRU::Array, Tie::Cache::LRU::LinkedList, Tie::Cache::LRU::Virtual
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 05 Feb 2011 01:02:25 PM JST
gpg:                using DSA key 58CA219610F54327
gpg: Can't check signature: No public key
==> BAD/TAMPERED signature detected! <==