Not supported on web

I created my application this run on android as well as ios platform but when i run it on web then
**Overflow on channel: flutter_webview_plugin. Messages on this channel are being discarded in FIFO fashion. The engine may not be running or you need to adjust the buffer size if of
the channel.
Error: MissingPluginException(No implementation found for method close on channel flutter_webview_plugin)**
this error occured.

is this supported for web coz [https://pub.dev/packages/flutter_webview_plugin#-readme-tab-](https://pub.dev/packages/flutter_webview_plugin#-readme-tab-) here you said that this is support for web but not run on web.