WebViewFragment webView is null after doing a FragmentTransaction

I currently have my application set up with a ListFragment on the left and a DetailsFragment on the right (similar to the layout on the tablet below). On the details fragment (fragment next to the list) I have a goto deal button, which when pressed should replace the detailsFragment with a WebViewFragment. The problem I am having is that when trying to load a url in the webviewfragment the WebView

[teracy_junk]

これにずっと苦しんでたんだけど、WebViewをdestroyしてやればよかったのか…