Warning: Failed prop type: Calling PropTypes validators directly is not supported by the `prop-types` package. Use PropTypes.checkPropTypes() to call them. Read more at http://fb.me/use-check-prop-types
    in Col
    in Footer
    in Fragment
    in Context.Provider
    in NamespacesConsumerComponent
    in WithMergedOptions
    in Context.Consumer
    in WithContext
    in Container