Error with React 16.3.2

[Kassares]

Checkbox.js:110 Uncaught TypeError: Cannot read property 'string' of undefined

wrong work with PropTypes

[yesmeck]

Could you reproduce your issue on https://codesandebox.io?

[Kassares]

I cant go to https://codesandebox.io, оh, in package.json uses rc-radio, which dependence is rc-checkbox, maybe he installs wrong version?