Errors

meta_yml_conforms_to_known_spec
License 'gplv2' is invalid (license) [Validation: 1.4]
valid_signature
gpg: Signature made Thu 20 Sep 2018 11:09:00 PM JST
gpg:                using RSA key 0DF0A283FEAC80B2
gpg: Can't check signature: No public key