I am trying out the same but I am getting
```
React.createElement: type is invalid — expected a string (for built-in components) or a class/function (for composite components) but got: undefined. You likely forgot to export your component from the file it’s defined in. Check the render method of
```
This with Match. Once I remove Math routes it loads just fine. Is there any changes I have to make? I tried with 4.0 beta 5 and beta 6.