설치버전 인스톨 후 실행이 안 됩니다

[callace]

brabeautiful_realistic colab 설치버전으로 설치를 완료한 후,
안내에 따라 run.ipynb 를 구글드라이브에 올리고 코랩으로 실행했는데요,
아래와 같은 에러메시지가 뜨면서 열리지 않습니다.
확인 부탁드립니다.

fatal: No names found, cannot describe anything.
Python 3.10.12 (main, Jun 11 2023, 05:26:28) [GCC 11.4.0]
Version: 1.6.0
Commit hash: 5ef669de080814067961f28357256e8fe27544f4
Fetching updates for K-diffusion...
Checking out commit for K-diffusion with hash: ab527a9a6d347f364e3d185ba6d714e22d80cb3c...
error: Your local changes to the following files would be overwritten by checkout:
convert_for_inference.py
sample.py
sample_clip_guided.py
train.py
Please commit your changes or stash them before you switch branches.
Aborting
Couldn't checkout commit ab527a9a6d347f364e3d185ba6d714e22d80cb3c for K-diffusion, attempting autofix...
Fetching all contents for K-diffusion
error: unknown option `refetch'
usage: git fetch [] [ [...]]
or: git fetch []
or: git fetch --multiple [] [( | )...]
or: git fetch --all []

-v, --verbose         be more verbose
-q, --quiet           be more quiet
--all                 fetch from all remotes
--set-upstream        set upstream for git pull/fetch
-a, --append          append to .git/FETCH_HEAD instead of overwriting
--atomic              use atomic transaction to update references
--upload-pack <path>  path to upload pack on remote end
-f, --force           force overwrite of local reference
-m, --multiple        fetch from multiple remotes
-t, --tags            fetch all tags and associated objects
-n                    do not fetch all tags (--no-tags)
-j, --jobs <n>        number of submodules fetched in parallel
--prefetch            modify the refspec to place all refs within refs/prefetch/
-p, --prune           prune remote-tracking branches no longer on remote
-P, --prune-tags      prune local tags no longer on remote and clobber changed tags
--recurse-submodules[=<on-demand>]
                      control recursive fetching of submodules
--dry-run             dry run
--write-fetch-head    write fetched references to the FETCH_HEAD file
-k, --keep            keep downloaded pack
-u, --update-head-ok  allow updating of HEAD ref
--progress            force progress reporting
--depth <depth>       deepen history of shallow clone
--shallow-since <time>
                      deepen history of shallow repository based on time
--shallow-exclude <revision>
                      deepen history of shallow clone, excluding rev
--deepen <n>          deepen history of shallow clone
--unshallow           convert to a complete repository
--update-shallow      accept refs that update .git/shallow
--refmap <refmap>     specify fetch refmap
-o, --server-option <server-specific>
                      option to transmit
-4, --ipv4            use IPv4 addresses only
-6, --ipv6            use IPv6 addresses only
--negotiation-tip <revision>
                      report that we have only objects reachable from this object
--negotiate-only      do not fetch a packfile; instead, print ancestors of negotiation tips
--filter <args>       object filtering
--auto-maintenance    run 'maintenance --auto' after fetching
--auto-gc             run 'maintenance --auto' after fetching
--show-forced-updates
                      check for forced-updates on all updated branches
--write-commit-graph  write the commit-graph after fetching
--stdin               accept refspecs from stdin

Traceback (most recent call last):
File "/content/drive/MyDrive/install/launch.py", line 48, in
main()
File "/content/drive/MyDrive/install/launch.py", line 39, in main
prepare_environment()
File "/content/drive/MyDrive/install/modules/launch_utils.py", line 382, in prepare_environment
git_clone(k_diffusion_repo, repo_dir('k-diffusion'), "K-diffusion", k_diffusion_commit_hash)
File "/content/drive/MyDrive/install/modules/launch_utils.py", line 181, in git_clone
run_git(dir, name, f'checkout {commithash}', f"Checking out commit for {name} with hash: {commithash}...", f"Couldn't checkout commit {commithash} for {name}", live=True)
File "/content/drive/MyDrive/install/modules/launch_utils.py", line 160, in run_git
git_fix_workspace(dir, name)
File "/content/drive/MyDrive/install/modules/launch_utils.py", line 147, in git_fix_workspace
run(f'"{git}" -C "{dir}" fetch --refetch --no-auto-gc', f"Fetching all contents for {name}", f"Couldn't fetch {name}", live=True)
File "/content/drive/MyDrive/install/modules/launch_utils.py", line 115, in run
raise RuntimeError("\n".join(error_bits))
RuntimeError: Couldn't fetch K-diffusion.
Command: "git" -C "/content/drive/MyDrive/install/repositories/k-diffusion" fetch --refetch --no-auto-gc
Error code: 129