Unable to establish connection on channel

[montonurb]

I'm running the following error:

E/flutter (29494): [ERROR:flutter/lib/ui/ui_dart_state.cc(209)] Unhandled Exception: PlatformException(channel-error, Unable to establish connection on channel., null, null) E/flutter (29494): #0 WebStorageHostApi.create E/flutter (29494): E/flutter (29494): E/flutter (29494): [ERROR:flutter/lib/ui/ui_dart_state.cc(209)] Unhandled Exception: PlatformException(channel-error, Unable to establish connection on channel., null, null) E/flutter (29494): #0 WebViewHostApi.create E/flutter (29494): E/flutter (29494): E/flutter (29494): [ERROR:flutter/lib/ui/ui_dart_state.cc(209)] Unhandled Exception: PlatformException(channel-error, Unable to establish connection on channel., null, null) E/flutter (29494): #0 WebSettingsHostApi.create E/flutter (29494): E/flutter (29494): E/flutter (29494): [ERROR:flutter/lib/ui/ui_dart_state.cc(209)] Unhandled Exception: PlatformException(channel-error, Unable to establish connection on channel., null, null) E/flutter (29494): #0 WebSettingsHostApi.setDomStorageEnabled E/flutter (29494): E/flutter (29494): E/flutter (29494): [ERROR:flutter/lib/ui/ui_dart_state.cc(209)] Unhandled Exception: PlatformException(channel-error, Unable to establish connection on channel., null, null) E/flutter (29494): #0 WebSettingsHostApi.setJavaScriptCanOpenWindowsAutomatically E/flutter (29494): E/flutter (29494): E/flutter (29494): [ERROR:flutter/lib/ui/ui_dart_state.cc(209)] Unhandled Exception: PlatformException(channel-error, Unable to establish connection on channel., null, null) E/flutter (29494): #0 WebSettingsHostApi.setSupportMultipleWindows E/flutter (29494): E/flutter (29494): E/flutter (29494): [ERROR:flutter/lib/ui/ui_dart_state.cc(209)] Unhandled Exception: PlatformException(channel-error, Unable to establish connection on channel., null, null) E/flutter (29494): #0 WebSettingsHostApi.setLoadWithOverviewMode E/flutter (29494): E/flutter (29494): E/flutter (29494): [ERROR:flutter/lib/ui/ui_dart_state.cc(209)] Unhandled Exception: PlatformException(channel-error, Unable to establish connection on channel., null, null) E/flutter (29494): #0 WebSettingsHostApi.setUseWideViewPort E/flutter (29494): E/flutter (29494): E/flutter (29494): [ERROR:flutter/lib/ui/ui_dart_state.cc(209)] Unhandled Exception: PlatformException(channel-error, Unable to establish connection on channel., null, null) E/flutter (29494): #0 WebSettingsHostApi.setDisplayZoomControls E/flutter (29494): E/flutter (29494): E/flutter (29494): [ERROR:flutter/lib/ui/ui_dart_state.cc(209)] Unhandled Exception: PlatformException(channel-error, Unable to establish connection on channel., null, null) E/flutter (29494): #0 WebSettingsHostApi.setBuiltInZoomControls E/flutter (29494): E/flutter (29494): E/flutter (29494): [ERROR:flutter/lib/ui/ui_dart_state.cc(209)] Unhandled Exception: PlatformException(channel-error, Unable to establish connection on channel., null, null) E/flutter (29494): #0 WebViewClientHostApi.create E/flutter (29494): E/flutter (29494): E/flutter (29494): [ERROR:flutter/lib/ui/ui_dart_state.cc(209)] Unhandled Exception: PlatformException(channel-error, Unable to establish connection on channel., null, null) E/flutter (29494): #0 WebSettingsHostApi.setUserAgentString E/flutter (29494): E/flutter (29494): #1 Future.wait. (dart:async/future.dart:473:21) E/flutter (29494): E/flutter (29494): #2 WebViewAndroidPlatformController.updateSettings E/flutter (29494): E/flutter (29494): E/flutter (29494): [ERROR:flutter/lib/ui/ui_dart_state.cc(209)] Unhandled Exception: PlatformException(channel-error, Unable to establish connection on channel., null, null) E/flutter (29494): #0 WebSettingsHostApi.setMediaPlaybackRequiresUserGesture E/flutter (29494): E/flutter (29494): E/flutter (29494): [ERROR:flutter/lib/ui/ui_dart_state.cc(209)] Unhandled Exception: PlatformException(channel-error, Unable to establish connection on channel., null, null) E/flutter (29494): #0 WebViewHostApi.setBackgroundColor E/flutter (29494): E/flutter (29494): E/flutter (29494): [ERROR:flutter/lib/ui/ui_dart_state.cc(209)] Unhandled Exception: PlatformException(channel-error, Unable to establish connection on channel., null, null) E/flutter (29494): #0 DownloadListenerHostApi.create E/flutter (29494): E/flutter (29494): #1 Future.wait. (dart:async/future.dart:473:21) E/flutter (29494): E/flutter (29494): #2 WebView.setDownloadListener E/flutter (29494): E/flutter (29494): E/flutter (29494): [ERROR:flutter/lib/ui/ui_dart_state.cc(209)] Unhandled Exception: PlatformException(channel-error, Unable to establish connection on channel., null, null) E/flutter (29494): #0 WebChromeClientHostApi.create E/flutter (29494): E/flutter (29494): #1 Future.wait. (dart:async/future.dart:473:21) E/flutter (29494): E/flutter (29494): #2 WebView.setWebChromeClient E/flutter (29494): E/flutter (29494): E/flutter (29494): [ERROR:flutter/lib/ui/ui_dart_state.cc(209)] Unhandled Exception: PlatformException(error, java.lang.IllegalStateException: Trying to create a platform view of unregistered type: plugins.flutter.io/webview E/flutter (29494): at io.flutter.plugin.platform.PlatformViewsController$1.createAndroidViewForPlatformView(PlatformViewsController.java:143) E/flutter (29494): at io.flutter.embedding.engine.systemchannels.PlatformViewsChannel$1.create(PlatformViewsChannel.java:104) E/flutter (29494): at io.flutter.embedding.engine.systemchannels.PlatformViewsChannel$1.onMethodCall(PlatformViewsChannel.java:59) E/flutter (29494): at io.flutter.plugin.common.MethodChannel$IncomingMethodCallHandler.onMessage(MethodChannel.java:262) E/flutter (29494): at io.flutter.embedding.engine.dart.DartMessenger.invokeHandler(DartMessenger.java:296) E/flutter (29494): at io.flutter.embedding.engine.dart.DartMessenger.lambda$dispatchMessageToQueue$0$DartMessenger(DartMessenger.java:320) E/flutter (29494): at io.flutter.embedding.engine.dart.-$$Lambda$DartMessenger$TsixYUB5E6FpKhMtCSQVHKE89gQ.run(Unknown Source:12) E/flutter (29494): at android.os.Handler.handleCallback(Handler.java:914) E/flutter (29494): at android.os.Handler.dispatchMessage(Handler.java:100) E/flutter (29494): at android.os.Looper.loop(Looper.java:225) E/flutter (29494): at android.app.ActivityThread.main(ActivityThread.java:7564) E/flutter (29494): at java.lang.reflect.Method.invoke(Native Method) E/flutter (29494): at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:539) E/flutter (29494): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:950) E/flutter (29494): , null, null) E/flutter (29494): #0 StandardMethodCodec.decodeEnvelope E/flutter (29494): #1 MethodChannel._invokeMethod E/flutter (29494): E/flutter (29494): #2 AndroidViewController.create E/flutter (29494): E/flutter (29494): Restarted application in 2.841ms.

[z759341385]

i have same problem :( any progress ?