Error

Command git clone --no-single-branch --depth 50 https://xfel.redmine:K9Sss5CmWtQ_nbx3gyt2@git.xfel.eu/gitlab/karaboDevices/jjAttenuator . failed: Cloning into '.'... fatal: unable to access 'https://xfel.redmine:K9Sss5CmWtQ_nbx3gyt2@git.xfel.eu/gitlab/karaboDevices/jjAttenuator/': server certificate verification failed. CAfile: /etc/ssl/certs/ca-certificates.crt CRLfile: none