I'm having this error after install omv-extras 4.X
E: Failed to fetch https://dl.bintray.com/openmed…ain/binary-amd64/Packages server certificate verification failed. CAfile: /etc/ssl/certs/ca-certificates.crt CRLfile: none
E: Some index files failed to download. They have been ignored, or old ones used instead.
Anyone know how to solve this??