Problem in setting up development envoirment in windows

hello guys I am getting problem in setting up dev envoirnment for brave in windows 11 I don;t understand this error please help

C:\open_source\brave-browser>npm run init

brave@1.54.47 init
node ./scripts/init.js

Performing initial checkout of brave-core

C:\open_source\brave-browser\src\brave

git rev-parse HEAD
brave-core repo at C:\open_source\brave-browser\src\brave is at commit ID c359ab6bb0b8564a6790b6da135633e98c78cd25


C:\open_source\brave-browser\src\brave

npm.cmd install


C:\open_source\brave-browser\src\brave

npm.cmd run sync – --init

brave-core@1.54.47 sync
node ./build/commands/scripts/sync.js --init

Brave Browser Sync starting
Running gclient sync…

C:\open_source\brave-browser\src

git rev-parse HEAD


C:\open_source\brave-browser\src

git rev-parse refs/tags/114.0.5735.110


C:\open_source\brave-browser\src

git log -n 1 --pretty=format:%h%d
Chromium repo needs sync.
target is refs/tags/114.0.5735.110 at commit cd3147546deb67a78ffec2df575c30cbda1d493b
current commit is c359ab6bb0b85 (HEAD → main, origin/main, origin/HEAD) at commit c359ab6bb0b8564a6790b6da135633e98c78cd25
latest successful sync is {}


C:\open_source\brave-browser

gclient sync --nohooks --revision src@refs/tags/114.0.5735.110 --reset --with_tags --with_branch_heads --upstream --force
Updating depot_tools…

[0:01:20] Still working on:
[0:01:20] src

[0:01:30] Still working on:
[0:01:30] src

[0:01:40] Still working on:
[0:01:40] src

[0:01:50] Still working on:
[0:01:50] src

[0:02:00] Still working on:
[0:02:00] src

[0:02:10] Still working on:
[0:02:10] src

[0:02:20] Still working on:
[0:02:20] src

[0:02:30] Still working on:
[0:02:30] src

[0:02:40] Still working on:
[0:02:40] src

[0:02:50] Still working on:
[0:02:50] src

[0:03:00] Still working on:
[0:03:00] src

[0:03:10] Still working on:
[0:03:10] src

[0:03:20] Still working on:
[0:03:20] src

[0:03:30] Still working on:
[0:03:30] src

[0:03:40] Still working on:
[0:03:40] src
1>Syncing projects: 0% ( 0/ 3)
[0:03:41] Still working on:
[0:03:41] src
Syncing projects: 1% ( 2/124) src/brave

src/brave (ERROR)

[0:03:41] Started.
[0:03:42] ________ unmanaged solution; skipping src\brave

Error: Command ‘git rev-parse --verify HEAD’ returned non-zero exit status 128 in C:\open_source\brave-browser\src\brave
fatal: not a git repository: ‘C:\open_source\brave-browser\src\brave.git’

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C:\open_source\brave-browser>
C:\open_source\brave-browser>
C:\open_source\brave-browser>