title: datalist TypeError: Cannot read property 'replaceChild' of null
body: <p>On a react project I'm getting :</p>
  
  <pre><code>DOMLazyTree.js:70 Uncaught (in promise) TypeError: Cannot read property 'replaceChild' of null
      at Function.replaceChildWithTree (DOMLazyTree.js:70)
      at Object.dangerouslyReplaceNodeWithMarkup (Danger.js:42)
      at Object.dangerouslyReplaceNodeWithMarkup [as replaceNodeWithMarkup] (DOMChildrenOperations.js:122)
      at ReactCompositeComponentWrapper._replaceNodeWithMarkup (ReactCompositeComponent.js:781)
      at ReactCompositeComponentWrapper._updateRenderedComponent (ReactCompositeComponent.js:771)
      at ReactCompositeComponentWrapper._performComponentUpdate (ReactCompositeComponent.js:721)
      at ReactCompositeComponentWrapper.updateComponent (ReactCompositeComponent.js:642)
      at ReactCompositeComponentWrapper.receiveComponent (ReactCompositeComponent.js:544)
      at Object.receiveComponent (ReactReconciler.js:126)
      at ReactCompositeComponentWrapper._updateRenderedComponent (ReactCompositeComponent.js:751)
  </code></pre>
  
  <p>When I try to load a page to which i added a datalist</p>
  
  <p>Any clue where to start looking ?</p>