Uncaught TypeError: Cannot read property 'ReactCurrentOwner' of undefined

I'm new to React Motion, and spent all day yesterday trying to get what I need. However, I can't figure out what has caused this issue

```
Uncaught TypeError: Cannot read property 'ReactCurrentOwner' of undefined
```

I've been playing around with the demos and currently this is what I have. If this is not enough code, please let me know!

```
getStyles() {
const endValue = this.state;
return [endValue];
},

render() {
return (
null}
willLeave={() => null}>
{ball =>