LAB 8 – Encryption via Bitnami Sealed Secrets

Hello,
There is an error with the source gitrepository of the project for database

flux get sources all
NAME REVISION SUSPENDED READY MESSAGE
gitrepository/9-demo-source-git-bb-app 9-demo@sha1:3e095582 False True stored artifact for revision ‘9-demo@sha1:3e095582’
gitrepository/database-demo-source-git-bb-app False False failed to checkout and determine revision: unable to clone ‘https://git.example.com/bob/bb-app-source.git’: Get “https://git.example.com/bob/bb-app-source.git/info/refs?service=git-upload-pack”: tls: failed to verify certificate: x509: certificate signed by unknown authority (possibly because of “x509: invalid signature: parent certificate cannot sign this kind of certificate” while trying to verify candidate authority certificate “Gitea”)
gitrepository/flux-system master@sha1:c71a1f02 False True stored artifact for revision ‘master@sha1:c71a1f02’

kubectl -n database rollout restart deployment mysql
Error from server (NotFound): namespaces “database” not found