webview 강의 따라하는데 다음과 같은 에러가 나옵니다. ㅜㅜ

webview 강의 진행중 에러가 나와서 문의 드립니다.

console창에 나온 에러 내용입니다.

강의보면서 세팅 똑같이 했는데 이렇게 나오면서 화면이 아무것도 적용이 안되네요.

Performing hot restart...

Syncing files to device Android SDK built for x86...

Restarted application in 797ms.

E/flutter ( 3101): [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: PlatformException(channel-error, Unable to establish connection on channel., null, null)

E/flutter ( 3101): #0 WebStorageHostApi.create (package:webview_flutter_android/src/android_webview.pigeon.dart:2036:7)

E/flutter ( 3101): <asynchronous suspension>

E/flutter ( 3101):

E/flutter ( 3101): [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: PlatformException(channel-error, Unable to establish connection on channel., null, null)

E/flutter ( 3101): #0 WebViewHostApi.create (package:webview_flutter_android/src/android_webview.pigeon.dart:289:7)

E/flutter ( 3101): <asynchronous suspension>

E/flutter ( 3101):

E/flutter ( 3101): [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: PlatformException(channel-error, Unable to establish connection on channel., null, null)

E/flutter ( 3101): #0 WebSettingsHostApi.create (package:webview_flutter_android/src/android_webview.pigeon.dart:1013:7)

E/flutter ( 3101): <asynchronous suspension>

E/flutter ( 3101):

E/flutter ( 3101): [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: PlatformException(channel-error, Unable to establish connection on channel., null, null)

E/flutter ( 3101): #0 WebSettingsHostApi.setDomStorageEnabled (package:webview_flutter_android/src/android_webview.pigeon.dart:1061:7)

E/flutter ( 3101): <asynchronous suspension>

E/flutter ( 3101):

E/flutter ( 3101): [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: PlatformException(channel-error, Unable to establish connection on channel., null, null)

E/flutter ( 3101): #0 WebSettingsHostApi.setJavaScriptCanOpenWindowsAutomatically (package:webview_flutter_android/src/android_webview.pigeon.dart:1087:7)

E/flutter ( 3101): <asynchronous suspension>

E/flutter ( 3101):

E/flutter ( 3101): [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: PlatformException(channel-error, Unable to establish connection on channel., null, null)

E/flutter ( 3101): #0 WebSettingsHostApi.setSupportMultipleWindows (package:webview_flutter_android/src/android_webview.pigeon.dart:1113:7)

E/flutter ( 3101): <asynchronous suspension>

E/flutter ( 3101):

E/flutter ( 3101): [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: PlatformException(channel-error, Unable to establish connection on channel., null, null)

E/flutter ( 3101): #0 WebSettingsHostApi.setLoadWithOverviewMode (package:webview_flutter_android/src/android_webview.pigeon.dart:1239:7)

E/flutter ( 3101): <asynchronous suspension>

E/flutter ( 3101):

E/flutter ( 3101): [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: PlatformException(channel-error, Unable to establish connection on channel., null, null)

E/flutter ( 3101): #0 WebSettingsHostApi.setUseWideViewPort (package:webview_flutter_android/src/android_webview.pigeon.dart:1263:7)

E/flutter ( 3101): <asynchronous suspension>

E/flutter ( 3101):

E/flutter ( 3101): [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: PlatformException(channel-error, Unable to establish connection on channel., null, null)

E/flutter ( 3101): #0 WebSettingsHostApi.setDisplayZoomControls (package:webview_flutter_android/src/android_webview.pigeon.dart:1288:7)

E/flutter ( 3101): <asynchronous suspension>

E/flutter ( 3101):

E/flutter ( 3101): [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: PlatformException(channel-error, Unable to establish connection on channel., null, null)

E/flutter ( 3101): #0 WebSettingsHostApi.setBuiltInZoomControls (package:webview_flutter_android/src/android_webview.pigeon.dart:1313:7)

E/flutter ( 3101): <asynchronous suspension>

E/flutter ( 3101):

E/flutter ( 3101): [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: PlatformException(channel-error, Unable to establish connection on channel., null, null)

E/flutter ( 3101): #0 WebViewClientHostApi.create (package:webview_flutter_android/src/android_webview.pigeon.dart:1476:7)

E/flutter ( 3101): <asynchronous suspension>

E/flutter ( 3101):

E/flutter ( 3101): [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: PlatformException(channel-error, Unable to establish connection on channel., null, null)

E/flutter ( 3101): #0 WebSettingsHostApi.setUserAgentString (package:webview_flutter_android/src/android_webview.pigeon.dart:1163:7)

E/flutter ( 3101): <asynchronous suspension>

E/flutter ( 3101): #1 Future.wait.<anonymous closure> (dart:async/future.dart:522:21)

E/flutter ( 3101): <asynchronous suspension>

E/flutter ( 3101): #2 WebViewAndroidPlatformController.updateSettings (package:webview_flutter_android/webview_android_widget.dart:275:5)

E/flutter ( 3101): <asynchronous suspension>

E/flutter ( 3101):

E/flutter ( 3101): [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: PlatformException(channel-error, Unable to establish connection on channel., null, null)

E/flutter ( 3101): #0 WebSettingsHostApi.setMediaPlaybackRequiresUserGesture (package:webview_flutter_android/src/android_webview.pigeon.dart:1189:7)

E/flutter ( 3101): <asynchronous suspension>

E/flutter ( 3101):

E/flutter ( 3101): [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: PlatformException(channel-error, Unable to establish connection on channel., null, null)

E/flutter ( 3101): #0 DownloadListenerHostApi.create (package:webview_flutter_android/src/android_webview.pigeon.dart:1749:7)

E/flutter ( 3101): <asynchronous suspension>

E/flutter ( 3101): #1 Future.wait.<anonymous closure> (dart:async/future.dart:522:21)

E/flutter ( 3101): <asynchronous suspension>

E/flutter ( 3101): #2 WebView.setDownloadListener (package:webview_flutter_android/src/android_webview.dart:379:5)

E/flutter ( 3101): <asynchronous suspension>

E/flutter ( 3101):

E/flutter ( 3101): [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: PlatformException(channel-error, Unable to establish connection on channel., null, null)

E/flutter ( 3101): #0 WebChromeClientHostApi.create (package:webview_flutter_android/src/android_webview.pigeon.dart:1861:7)

E/flutter ( 3101): <asynchronous suspension>

E/flutter ( 3101): #1 Future.wait.<anonymous closure> (dart:async/future.dart:522:21)

E/flutter ( 3101): <asynchronous suspension>

E/flutter ( 3101): #2 WebView.setWebChromeClient (package:webview_flutter_android/src/android_webview.dart:399:5)

E/flutter ( 3101): <asynchronous suspension>

E/flutter ( 3101):

E/flutter ( 3101): [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: PlatformException(channel-error, Unable to establish connection on channel., null, null)

E/flutter ( 3101): #0 WebViewHostApi.loadUrl (package:webview_flutter_android/src/android_webview.pigeon.dart:401:7)

E/flutter ( 3101): <asynchronous suspension>

E/flutter ( 3101):

E/flutter ( 3101): [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: PlatformException(error, java.lang.IllegalStateException: Trying to create a platform view of unregistered type: plugins.flutter.io/webview

E/flutter ( 3101): at io.flutter.plugin.platform.PlatformViewsController$1.createPlatformView(PlatformViewsController.java:489)

E/flutter ( 3101): at io.flutter.plugin.platform.PlatformViewsController$1.createForTextureLayer(PlatformViewsController.java:191)

E/flutter ( 3101): at io.flutter.embedding.engine.systemchannels.PlatformViewsChannel$1.create(PlatformViewsChannel.java:128)

E/flutter ( 3101): at io.flutter.embedding.engine.systemchannels.PlatformViewsChannel$1.onMethodCall(PlatformViewsChannel.java:55)

E/flutter ( 3101): at io.flutter.plugin.common.MethodChannel$IncomingMethodCallHandler.onMessage(MethodChannel.java:258)

E/flutter ( 3101): at io.flutter.embedding.engine.dart.DartMessenger.invokeHandler(DartMessenger.java:295)

E/flutter ( 3101): at io.flutter.embedding.engine.dart.DartMessenger.lambda$dispatchMessageToQueue$0$io-flutter-embedding-engine-dart-DartMessenger(DartMessenger.java:322)

E/flutter ( 3101): at io.flutter.embedding.engine.dart.DartMessenger$$ExternalSyntheticLambda0.run(Unknown Source:12)

E/flutter ( 3101): at android.os.Handler.handleCallback(Handler.java:938)

E/flutter ( 3101): at android.os.Handler.dispatchMessage(Handler.java:99)

E/flutter ( 3101): at android.os.Looper.loop(Looper.java:223)

E/flutter ( 3101): at android.app.ActivityThread.main(ActivityThread.java:7656)

E/flutter ( 3101): at java.lang.reflect.Method.invoke(Native Method)

E/flutter ( 3101): at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:592)

E/flutter ( 3101): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:947)

E/flutter ( 3101): , null, null)

E/flutter ( 3101): #0 StandardMethodCodec.decodeEnvelope (package:flutter/src/services/message_codecs.dart:653:7)

E/flutter ( 3101): #1 MethodChannel._invokeMethod (package:flutter/src/services/platform_channel.dart:315:18)

E/flutter ( 3101): <asynchronous suspension>

E/flutter ( 3101): #2 SurfaceAndroidViewController._sendCreateMessage (package:flutter/src/services/platform_views.dart:1017:30)

E/flutter ( 3101): <asynchronous suspension>

E/flutter ( 3101): #3 AndroidViewController.create (package:flutter/src/services/platform_views.dart:801:5)

E/flutter ( 3101): <asynchronous suspension>

E/flutter ( 3101):

도움 좀 부탁드립니다.