Hello,

After updating to React 15.0.1, we are getting the following error:

```
Uncaught TypeError: Cannot read property 'addEventListener' of null
```

![image](https://cloud.githubusercontent.com/assets/4996164/14602577/5bb4e9f2-0571-11e6-9aa1-98de49f50d76.png)

var owner = component._currentElement._owner || null;
  if (owner) {
    var name = owner.getName();
    if (name) {
      return ' Check the render method of `' + name + '`.';
    }
  }
  return '';
}
function StatelessComponent(Component) {
}
StatelessComponent.prototype.render = function() {
  var Component = ReactInstanceMap.get(this)._currentElement.type;
  var element = Component(this.props, this.context, this.updater);
  warnIfInvalidElement(Component, element);
  return element;
};
function warnIfInvalidElement(Component, element) {