Errors

meta_yml_conforms_to_known_spec
License 'gplv2' is invalid (license) [Validation: 1.4]
valid_signature
gpg: Signature made Sat 21 Sep 2024 03:33:21 AM JST
gpg:                using RSA key 24A87241198705E5FE9DE67F582B57D13B1741B0
gpg: requesting key 582B57D13B1741B0 from hkp server keyserver.ubuntu.com
gpg: Can't check signature: No public key
==> BAD/TAMPERED signature detected! <==