name: code build
on:
  push:
    branches: [ dev ]
jobs:
  code-build:
    runs-on: ubuntu-latest
    permissions:                
      contents: write           
    steps:
      - uses: actions/checkout@v4
        with:
          token: ${{ secrets.GHCR_TOKEN }}
      # location check
      - name: where now?
        run: pwd
      # location check
      - name: list check?
        run: ls
       #yarn install & build
      - name: Set up Node.js
        uses: actions/setup-node@master
        with:
          node-version: 19.8.1
      # location check
      - name: install
        run: |
          rm -rf /build
          yarn cache clean
          yarn install
      # location check
      - name: install check
        run: |
          ls
          ls node_modules
          pwd
          ls -al
          yarn add @babel/plugin-proposal-private-property-in-object --dev
      # node install&build  
      - name: Run install
      #  working-directory: ${{ github.workspace }}
        run: |
          mkdir build
          pwd
          ls
          yarn build

I want to yarn build but it failed with:

error Command failed with exit code 1.
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.
Error: Process completed with exit code 1.