Prototype redux-form crashes

[ghost]

Bug Report

Steps

when clicking the codesandbox link on redux-form prototype(https://codesandbox.io/s/jn0w4mxm5) it opens codesandbox and crashes

Expected Result

expected to see the redux-form in action.

Actual Result

it crashes

Version

1.0.0

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[carkod]

It doesn't crash for me. Do you get any errors in the console?