Is Animated broken ?

[agenthunt]

Using in context with react-native-web. But problem seems to be in animated module.

What is the current behavior?
Animated API seems to be broken. It fails with following stacktrace

react-native-web@latest:6 Uncaught TypeError: Cannot read property 'stopTracking' of undefinedstart @ react-native-web@latest:6
startAnimation @ pen.js:40
onPress @ pen.js:78
touchableHandlePress @ react-native-web@latest:3
_performSideEffectsForTransition @ react-native-web@latest:3
_receiveSignal @ react-native-web@latest:3
touchableHandleResponderRelease @ react-native-web@latest:3
(anonymous function) @ react-native-web@latest:4
r.invokeGuardedCallback @ react-native-web@latest:13
a @ react-native-web@latest:10
s @ react-native-web@latest:10
d @ react-native-web@latest:10
h @ react-native-web@latest:10
o @ react-native-web@latest:16
processEventQueue @ react-native-web@latest:10
o @ react-native-web@latest:13
handleTopLevel @ react-native-web@latest:13
i @ react-native-web@latest:13
perform @ react-native-web@latest:16
batchedUpdates @ react-native-web@latest:13
i @ react-native-web@latest:14
dispatchEvent @ react-native-web@latest:13

Link to minimal test case: (template: codepen)

What is the expected behaviour?
Animation should start when start button is pressed

Steps to reproduce

See codepen link
Environment (include versions)

OS: mac
Device:
Browser: Chrome
React Native for Web (version): 0.0.45
React (version): 15.3.2

[agenthunt]

Nevermind. Stupid typo. Thanks.