mac OSインストールに伴うyarnファイルアップロード[yarn install v1.22.10]

railsで作ったWEBアプリを立ち上げようとしたがうまくサーバーが起動しませんでした。
OSのアップロードが原因のようです。
yarnをインストールしました。

% rails s
=> Booting Puma
=> Rails 6.0.3.6 application starting in development 
=> Run `rails server --help` for more startup options
warning Integrity check: System parameters don't match                         
error Integrity check failed                                                   
error Found 1 errors.                                                          


========================================
  Your Yarn packages are out of date!
  Please run `yarn install --check-files` to update.
========================================


To disable this check, please change `check_yarn_integrity`
to `false` in your webpacker config file (config/webpacker.yml).

yarn check v1.22.10
info Visit https://yarnpkg.com/en/docs/cli/check for documentation about this command.
************************************* % yarn install
yarn install v1.22.10
[1/4] 🔍  Resolving packages...
[2/4] 🚚  Fetching packages...
[3/4] 🔗  Linking dependencies...
warning " > webpack-dev-server@3.11.2" has unmet peer dependency "webpack@^4.0.0 || ^5.0.0".
warning "webpack-dev-server > webpack-dev-middleware@3.7.3" has unmet peer dependency "webpack@^4.0.0 || ^5.0.0".
[4/4] 🔨  Building fresh packages...
✨  Done in 39.58s.