Under maintenance.

Most probably CPANTS databases are being regenerated from scratch due to major changes in Kwalitee metrics or updates of relevant modules/perl. Usually this maintenance takes about a day or two, and some of the information may be old or missing tentatively. Sorry for the inconvenience.

Errors

meta_yml_conforms_to_known_spec
License '<undef>' is invalid (license) [Validation: 1.3];Missing mandatory field, 'license' (license) [Validation: 1.3]
no_pod_errors
Digest-CMAC-0.04/lib/Digest/CMAC.pm -- Around line 51: =back doesn't take any parameters, but you said =back 4
use_warnings
Digest::CMAC, Digest::OMAC1, Digest::OMAC2, Digest::OMAC::Base