TypeError: Cannot read property 'object' of undefined

[building39]

Stack: Phoenix 1.3 Elixir 1.6 Erlang/OTP 20

Erlang/OTP 20 [erts-9.0] [source] [64-bit] [smp:4:4] [ds:4:4:10] [async-threads:10] [hipe] [kernel-poll:false]
Interactive Elixir (1.6.0) - press Ctrl+C to exit (type h() ENTER for help)
$ node -v
v8.9.4
$ npm view react version
16.2.0
$ npm view react-router version
4.2.0
$ npm view redux version
3.7.2
$ npm view redux-thunk version
2.2.0
$ npm view redux-form version
7.2.3
$ npm view aphrodite version
1.2.5```

Using these latest packages, ```npm start``` produces this in the browser:

```TypeError: Cannot read property 'object' of undefined
./node_modules/react-broadcast/Broadcast.js
node_modules/react-broadcast/Broadcast.js:104
  101 | }(_react2.default.Component);
  102 | 
  103 | Broadcast.contextTypes = {
> 104 |   broadcasts: _react.PropTypes.object
  105 | };
  106 | Broadcast.childContextTypes = {
  107 |   broadcasts: _react.PropTypes.object.isRequired
View compiled
__webpack_require__
/data/git/sling/web/webpack/bootstrap 84d4f895ef3293cb2ab4:678
  675 | };
  676 | 
  677 | // Execute the module function
> 678 | modules[moduleId].call(module.exports, module, module.exports, hotCreateRequire(moduleId));
  679 | 
  680 | // Flag the module as loaded
  681 | module.l = true;
View compiled
fn
/data/git/sling/web/webpack/bootstrap 84d4f895ef3293cb2ab4:88
  85 |      console.warn("[HMR] unexpected require(" + request + ") from disposed module " + moduleId);
  86 |      hotCurrentParents = [];
  87 |  }
> 88 |  return __webpack_require__(request);
  89 | };
  90 | var ObjectFactory = function ObjectFactory(name) {
  91 |  return {
View compiled
./node_modules/react-broadcast/index.js
node_modules/react-broadcast/index.js:6
  3 | exports.__esModule = true;
  4 | exports.Subscriber = exports.Broadcast = undefined;
  5 | 
> 6 | var _Broadcast2 = require('./Broadcast');
  7 | 
  8 | var _Broadcast3 = _interopRequireDefault(_Broadcast2);
  9 | 
View compiled
__webpack_require__
/data/git/sling/web/webpack/bootstrap 84d4f895ef3293cb2ab4:678
  675 | };
  676 | 
  677 | // Execute the module function
> 678 | modules[moduleId].call(module.exports, module, module.exports, hotCreateRequire(moduleId));
  679 | 
  680 | // Flag the module as loaded
  681 | module.l = true;
View compiled
fn
/data/git/sling/web/webpack/bootstrap 84d4f895ef3293cb2ab4:88
  85 |      console.warn("[HMR] unexpected require(" + request + ") from disposed module " + moduleId);
  86 |      hotCurrentParents = [];
  87 |  }
> 88 |  return __webpack_require__(request);
  89 | };
  90 | var ObjectFactory = function ObjectFactory(name) {
  91 |  return {
View compiled
./node_modules/react-router/Broadcasts.js
node_modules/react-router/Broadcasts.js:12
...```

[carlsve]

Same error for me, did you find any solution?

[leomindez]

@karlpet Upgrade the react router version "react-router": "4.2.0"

[heerqa]

It did not work