title: ./node_modules/react-router-dom/node_modules/warning/warning.js Error: ENOENT: no such file or directory, open
body: <p>I install <code>yarn add react-router-dom</code> and it shows error when import <code>"react-router-dom"</code></p>
  
  <p>Error message</p>
  
  <pre><code>./node_modules/react-router-dom/node_modules/warning/warning.js
  Error: ENOENT: no such file or directory, open '/Users/krittiyaclark/Documents/my-portfolio-react/node_modules/react-router-dom/node_modules/warning/warning.js'
  </code></pre>
  
  <p>My package.json</p>
  
  <pre><code>{
    "name": "my-portfolio-react",
    "version": "0.1.0",
    "private": true,
    "dependencies": {
      "gulp": "^3.9.1",
      "gulp-changed": "^3.2.0",
      "gulp-clean-css": "^4.0.0",
      "gulp-rename": "^1.4.0",
      "gulp-sass": "^4.0.2",
      "gulp-uglify": "^3.0.1",
      "react": "^16.7.0",
      "react-dom": "^16.7.0",
      "react-mdl": "^1.11.0",
      "react-router-dom": "^4.3.1",
      "react-scripts": "2.1.3"
    },
    "scripts": {
      "start": "react-scripts start",
      "build": "react-scripts build",
      "test": "react-scripts test",
      "eject": "react-scripts eject"
    },
    "browserslist": [
      "&gt;0.2%",
      "not dead",
      "not ie &lt;= 11",
      "not op_mini all"
    ]
  }
  </code></pre>
  
  <p>Please help! I stuck for a long time.
  Thank you!</p>