Read the Docs build information Build id: 24328 Project: beckhoff Version: latest Commit: None Date: 2022-09-12T16:51:11.476866Z State: finished Success: False [rtd-command-info] start-time: 2022-09-12T16:51:22.583757Z, end-time: 2022-09-12T16:51:22.741217Z, duration: 0, exit-code: 128 git clone --no-single-branch --depth 50 http://git.xfel.eu/gitlab/karaboDevices/Beckhoff.git . Cloning into '.'... fatal: unable to access 'https://parenti:SDR8bzzbKseiCyXdGx4E@git.xfel.eu/gitlab/karaboDevices/Beckhoff.git/': server certificate verification failed. CAfile: /etc/ssl/certs/ca-certificates.crt CRLfile: none