Errors

use_warnings

Graph::Maker::Beineke, Graph::Maker::BinaryBeanstalk, Graph::Maker::BinomialTree, Graph::Maker::FibonacciTree, Graph::Maker::Hanoi, Graph::Maker::Johnson, Graph::Maker::Keller, Graph::Maker::Kneser, Graph::Maker::KnightGrid, Graph::Maker::NoughtsAndCrosses, Graph::Maker::TwindragonAreaTree

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 11 Feb 2017 02:08:24 PM JST
gpg:                using RSA key F8D0B4E7D2D21191
gpg: Can't check signature: No public key