Read the Docs build information Build id: 24465 Project: howtomiddlelayer Version: latest Commit: None Date: 2022-10-11T15:25:36.484557Z State: finished Success: False [rtd-command-info] start-time: 2022-10-11T15:26:40.536616Z, end-time: 2022-10-11T15:26:40.699854Z, duration: 0, exit-code: 128 git clone --no-single-branch --depth 50 http://git.xfel.eu/gitlab/karaboDevices/HowToMiddlelayer.git . Cloning into '.'... fatal: unable to access 'https://degon:cmtivaKFeSEdTmS6tKJ6@git.xfel.eu/gitlab/karaboDevices/HowToMiddlelayer.git/': server certificate verification failed. CAfile: /etc/ssl/certs/ca-certificates.crt CRLfile: none