macOS error

[Wendale]

Dart version: 2.19.6, Snapshot: adb4292f3ec25074ca70abcd2d5c7251, Target: android arm64
flags: product no-code_comments no-dwarf_stack_traces_mode no-lazy_dispatchers dedup_instructions no-asserts arm64 android compressed-pointers null-safety
Delete incomplete clone directory /Users/Blutter/blutter/dartsdk/v2.19.6
Cloning into '/Users/Blutter/blutter/dartsdk/v2.19.6'...
fatal: unable to access 'https://github.com/dart-lang/sdk.git/': Failure when receiving data from the peer
Traceback (most recent call last):
File "/Users/Blutter/blutter/blutter.py", line 168, in
main(args.indir, args.outdir, args.rebuild, args.vs_sln, args.no_analysis)
File "/Users/Blutter/blutter/blutter.py", line 130, in main
fetch_and_build(dart_version, arch, os_name, has_compressed_ptrs, snapshot_hash)
File "/Users/Blutter/blutter/dartvm_fetch_build.py", line 119, in fetch_and_build
outdir = checkout_dart(ver, snapshot_hash)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/Users/Blutter/blutter/dartvm_fetch_build.py", line 49, in checkout_dart
subprocess.run([GIT_CMD, '-c', 'advice.detachedHead=false', 'clone', '-b', ver, '--depth', '1', '--filter=blob:none', '--sparse', '--progress', DART_GIT_URL, clonedir], check=True)
File "/Users/.pyenv/versions/3.12.3/lib/python3.12/subprocess.py", line 571, in run
raise CalledProcessError(retcode, process.args,
subprocess.CalledProcessError: Command '['git', '-c', 'advice.detachedHead=false', 'clone', '-b', '2.19.6', '--depth', '1', '--filter=blob:none', '--sparse', '--progress', 'https://github.com/dart-lang/sdk.git', '/Users/Blutter/blutter/dartsdk/v2.19.6']' returned non-zero exit status 128.