Read the Docs build information Build id: 3951702 Project: canonical-release-notes Version: 180 Commit: 79217fe7701499567e7c32b1d0c9417aba456e55 Date: 2026-04-22T15:44:58.752353Z State: finished Success: False [rtd-command-info] start-time: 2026-04-22T15:44:59.881011Z, end-time: 2026-04-22T15:45:00.379408Z, duration: 0, exit-code: 0 git clone --depth 1 https://github.com/ubuntu/ubuntu-release-notes.git . Cloning into '.'... [rtd-command-info] start-time: 2026-04-22T15:45:00.796118Z, end-time: 2026-04-22T15:45:01.332739Z, duration: 0, exit-code: 0 git fetch origin --force --prune --prune-tags --depth 50 pull/180/head:external-180 From https://github.com/ubuntu/ubuntu-release-notes * [new ref] refs/pull/180/head -> external-180 [rtd-command-info] start-time: 2026-04-22T15:45:02.208054Z, end-time: 2026-04-22T15:45:02.245312Z, duration: 0, exit-code: 128 git checkout --force 79217fe7701499567e7c32b1d0c9417aba456e55 fatal: reference is not a tree: 79217fe7701499567e7c32b1d0c9417aba456e55