"module not found : Error: Cannot resolve module 'react/lib/ReactMount' "
<p>I used Reactjs and webpack to start a project, and when I run the "node server" in the command prompt, there is an error like this:</p>

<p><a href="https://i.stack.imgur.com/JtLvh.png" rel="noreferrer"><img src="https://i.stack.imgur.com/JtLvh.png" alt="enter image description here"></a></p>

<p>And the chrome explorer opened successful but also have problems as follows:</p>

<p><a href="https://i.stack.imgur.com/sjsoZ.png" rel="noreferrer"><img src="https://i.stack.imgur.com/sjsoZ.png" alt="enter image description here"></a></p>

<p>The github is: (github.com/Yangqin0607/gallery)</p>

<p>Here is the package.json</p>

<pre><code>    {
  "private": true,
  "version": "0.0.1",
  "description": "YOUR DESCRIPTION - Generated by generator-react-webpack",
  "main": "",
  "scripts": {
    "clean": "rimraf dist/*",
    "copy": "copyfiles -f ./src/index.html ./src/favicon.ico ./dist",
    "dist": "npm run copy &amp; webpack --env=dist",
    "lint": "eslint ./src",
    "posttest": "npm run lint",
    "release:major": "npm version major &amp;&amp; npm publish &amp;&amp; git push --follow-tags",
    "release:minor": "npm version minor &amp;&amp; npm publish &amp;&amp; git push --follow-tags",
    "release:patch": "npm version patch &amp;&amp; npm publish &amp;&amp; git push --follow-tags",
    "serve": "node server.js --env=dev",
    "serve:dist": "node server.js --env=dist",
    "start": "node server.js --env=dev",
    "test": "karma start",
    "test:watch": "karma start --autoWatch=true --singleRun=false"
  },
  "repository": "",
  "keywords": [],
  "author": "Your name here",
  "devDependencies": {
    "babel-core": "^6.0.0",
    "babel-eslint": "^6.0.0",
    "babel-loader": "^6.0.0",
    "babel-polyfill": "^6.3.14",
    "babel-preset-es2015": "^6.0.15",
    "babel-preset-react": "^6.0.15",
    "babel-preset-stage-0": "^6.5.0",
    "bower-webpack-plugin": "^0.1.9",
    "chai": "^3.2.0",
    "copyfiles": "^1.0.0",
    "css-loader": "^0.23.0",
    "eslint": "^3.0.0",
    "eslint-loader": "^1.0.0",
    "eslint-plugin-react": "^6.0.0",
    "file-loader": "^0.9.0",
    "glob": "^7.0.0",
    "isparta-instrumenter-loader": "^1.0.0",
    "karma": "^1.0.0",
    "karma-chai": "^0.1.0",
    "karma-coverage": "^1.0.0",
    "karma-mocha": "^1.0.0",
    "karma-mocha-reporter": "^2.0.0",
    "karma-phantomjs-launcher": "^1.0.0",
    "karma-sourcemap-loader": "^0.3.5",
    "karma-webpack": "^1.7.0",
    "minimist": "^1.2.0",
    "mocha": "^3.0.0",
    "null-loader": "^0.1.1",
    "open": "0.0.5",
    "phantomjs-prebuilt": "^2.0.0",
    "react-addons-test-utils": "^15.0.0",
    "react-hot-loader": "^1.2.9",
    "rimraf": "^2.4.3",
    "style-loader": "^0.13.0",
    "url-loader": "^0.5.6",
    "webpack": "^1.12.0",
    "webpack-dev-server": "^1.12.0"
  },
  "dependencies": {
    "core-js": "^2.0.0",
    "normalize.css": "^4.0.0",
    "react": "^15.0.0",
    "react-dom": "^15.0.0"
  }
}
</code></pre>