Read the Docs build information Build id: 4014371 Project: xanaduai-catalyst Version: 2840 Commit: 9d6f75ae0357e0f2ea90cc41826cebc0b7813e07 Date: 2026-05-14T13:55:09.226745Z State: finished Success: False [rtd-command-info] start-time: 2026-05-14T13:55:15.061255Z, end-time: 2026-05-14T13:55:17.003892Z, duration: 1, exit-code: 0 git clone --depth 1 git@github.com:PennyLaneAI/catalyst.git . Cloning into '.'... Warning: Permanently added 'github.com' (ED25519) to the list of known hosts. [rtd-command-info] start-time: 2026-05-14T13:55:17.093303Z, end-time: 2026-05-14T13:55:18.505677Z, duration: 1, exit-code: 0 git fetch origin --force --prune --prune-tags --depth 50 pull/2840/head:external-2840 Warning: Permanently added 'github.com' (ED25519) to the list of known hosts. From github.com:PennyLaneAI/catalyst * [new ref] refs/pull/2840/head -> external-2840 [rtd-command-info] start-time: 2026-05-14T13:55:19.492141Z, end-time: 2026-05-14T13:55:19.528261Z, duration: 0, exit-code: 128 git checkout --force 9d6f75ae0357e0f2ea90cc41826cebc0b7813e07 fatal: reference is not a tree: 9d6f75ae0357e0f2ea90cc41826cebc0b7813e07