[Xperia Z4 Tablet Android Development] hadimm:
Some apps using Webview (Gmail, Gitter) crash with this log

bViewFactory: Chromium WebView package does not exist
10-10 12:25:33.795 6572 6572 E WebViewFactory: android.webkit.WebViewFactory$MissingWebViewPackageException: Failed to load WebView provider: No WebView installed
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at android.webkit.WebViewFactory.getWebViewContextAndSetProvider(WebViewFactory.java:270)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at android.webkit.WebViewFactory.getProviderClass(WebViewFactory.java:330)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at android.webkit.WebViewFactory.getProvider(WebViewFactory.java:194)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at android.webkit.WebView.getFactory(WebView.java:2325)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at android.webkit.WebView.ensureProviderCreated(WebView.java:2320)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at android.webkit.WebView.setOverScrollMode(WebView.java:2379)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at android.view.View.<init>(View.java:4001)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at android.view.View.<init>(View.java:4118)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at android.view.ViewGroup.<init>(ViewGroup.java:578)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at android.widget.AbsoluteLayout.<init>(AbsoluteLayout.java:55)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at android.webkit.WebView.<init>(WebView.java:627)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at android.webkit.WebView.<init>(WebView.java:572)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at android.webkit.WebView.<init>(WebView.java:555)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at android.webkit.WebView.<init>(WebView.java:542)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at cdj.<init>(SourceFile:24)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at com.android.mail.browse.ConversationWebView.<init>(SourceFile:165)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at java.lang.reflect.Constructor.newInstance0(Native Method)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at java.lang.reflect.Constructor.newInstance(Constructor.java:430)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at android.view.LayoutInflater.createView(LayoutInflater.java:645)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:787)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:727)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at android.view.LayoutInflater.rInflate(LayoutInflater.java:858)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:821)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at android.view.LayoutInflater.rInflate(LayoutInflater.java:861)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:821)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at android.view.LayoutInflater.inflate(LayoutInflater.java:518)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at android.view.LayoutInflater.inflate(LayoutInflater.java:426)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at com.android.mail.ui.ConversationViewFragment.onCreateView(SourceFile:1139)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at android.app.Fragment.performCreateView(Fragment.java:2352)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:995)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:1171)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at android.app.BackStackRecord.run(BackStackRecord.java:815)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at android.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1578)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at android.app.FragmentManagerImpl.executePendingTransactions(FragmentManager.java:563)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at ddp.b(SourceFile:151)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at android.support.v4.view.ViewPager.d(SourceFile:1271)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at android.support.v4.view.ViewPager.b(SourceFile:1119)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at android.support.v4.view.ViewPager.a(SourceFile:543)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at ccj.a(SourceFile:154)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at czz.at(SourceFile:473)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at czz.c(SourceFile:461)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at com.android.mail.ui.TwoPaneLayout.c(SourceFile:291)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at com.android.mail.ui.TwoPaneLayout.a(SourceFile:257)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at com.android.mail.ui.TwoPaneLayout.a(SourceFile:350)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at dah.g(SourceFile:126)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at dah.f(SourceFile:288)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at czz.a(SourceFile:28143)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at czz.a(SourceFile:555)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at cox.ad(SourceFile:3689)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at cpz.onLoadFinished(SourceFile:13156)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at android.app.LoaderManagerImpl$LoaderInfo.callOnLoadFinished(LoaderManager.java:486)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at android.app.LoaderManagerImpl$LoaderInfo.onLoadComplete(LoaderManager.java:454)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at android.content.Loader.deliverResult(Loader.java:144)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at android.content.AsyncTaskLoader.dispatchOnLoadComplete(AsyncTaskLoader.java:265)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at android.content.AsyncTaskLoader$LoadTask.onPostExecute(AsyncTaskLoader.java:92)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at android.os.AsyncTask.finish(AsyncTask.java:660)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at android.os.AsyncTask.-wrap1(AsyncTask.java)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:677)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at android.os.Handler.dispatchMessage(Handler.java:102)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at android.os.Looper.loop(Looper.java:154)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at android.app.ActivityThread.main(ActivityThread.java:6077)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at java.lang.reflect.Method.invoke(Native Method)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:865)
10-10 12:25:33.795 6572 6572 E WebViewFactory:	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:755)
10-10 12:25:33.799 6572 6572 D AndroidRuntime: Shutting down VM
10-10 12:25:33.811 6572 6572 W GAV2 : Thread[main,5,main]: dispatch call queued. Need to call GAServiceManager.getInstance().initialize().
10-10 12:25:33.815 6572 6572 E AndroidRuntime: FATAL EXCEPTION: main
10-10 12:25:33.815 6572 6572 E AndroidRuntime: Process: com.google.android.gm, PID: 6572

I have installed opengapps stock and checking the Play Store webview is correctly installed.

Any idea ?