yarn install --frozen-lockfile
yarn install v1.5.1
[1/4] Resolving packages...
[2/4] Fetching packages...
error @typescript-eslint/eslint-plugin@2.3.3: The engine "node" is incompatible with this module. Expected version "^8.10.0 || ^10.13.0 || >=11.10.1".
error An unexpected error occurred: "Found incompatible module".
info If you think this is a bug, please open a bug report with the information provided in "/data/app/rdrf/rdrf/rdrf/frontend/yarn-error.log".
info Visit https://yarnpkg.com/en/docs/cli/install for documentation about this command.
sh: 1: react-scripts: not found