Error

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