i upgrade V0.21 to V0.22.2 use the hot reloading get the follow error,disable the hot reloading it is ok 
Activity
ifiokjr commentedon Mar 30, 2016
I'm having the same issue. It's my first time working with react-native so I may not be much help finding the root of the problem.
cpunion commentedon Mar 30, 2016
Already fixed in
babel-preset-react-native@1.5.5, See #6640dsibiski commentedon Mar 30, 2016
@facebook-github-bot duplicate #6640
facebook-github-bot commentedon Mar 30, 2016
@dsibiski tells me this issue is a duplicate of #6640. Let's discuss there, closing this one.