Unhandled Exception: MissingPluginException(No implementation found for method init on channel sarbagyastha.com.np/youtubePlayer)

[shagal-sajid]

I've tried to run the sample video player and the preferred example. both give the #same exception

Unhandled Exception: MissingPluginException(No implementation found for method init on channel sarbagyastha.com.np/youtubePlayer)

[VERBOSE-2:ui_dart_state.cc(148)] Unhandled Exception: MissingPluginException(No implementation found for method init on channel sarbagyastha.com.np/youtubePlayer) #0 MethodChannel.invokeMethod package:flutter/…/services/platform_channel.dart:314 <asynchronous suspension> #1 _channel package:youtube_player/youtube_player.dart:42 #2 _channel package:youtube_player/youtube_player.dart:40 #3 YoutubePlayer.keepOn package:youtube_player/youtube_player.dart:861 #4 _YoutubePlayerState.build package:youtube_player/youtube_player.dart:974 #5 StatefulElement.build package:flutter/…/widgets/framework.dart:4047 #6 ComponentElement.performRebuild package:flutter/…/widgets/framework.dart:3941 #7 Element.rebuild package:flutter/…/widgets/framework.dart:3738 #8 ComponentElement._firstBuild package:flutter/…/widgets/framework.dart:3924 #9 StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:4088:11)<…>

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[✓] Flutter (Channel stable, v1.9.1+hotfix.2, on Mac OS X 10.14.4 18E226, locale en-GB)

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I'm using youtube_player: ^3.5.0