MissingPluginException(No implementation found for method initSoundpool on channel pl.ukaszapps/soundpool)

[calcitem]

Commit 71248fc8

Debug, run on Windows

Flutter 2.8.0

MethodChannel._invokeMethod (platform_channel.dart:165)
<asynchronous gap>
MethodChannelSoundpoolPlatform.init (method_channel_soundpool_platform.dart:11)
<asynchronous gap>
Soundpool._connect (soundpool.dart:321)
<asynchronous gap>

Launching lib\main.dart on Windows in debug mode...
Building Windows application...
Debug service listening on ws://127.0.0.1:65131/9PHdV_lJMA8=/ws
Syncing files to device Windows...
Engine Think Thread enter.
>>> uci
Sanmill 261221 by the Sanmill developers (see AUTHORS file)
println: uciok
[uci] input: uci
id name Sanmill 261221
id author the Sanmill developers (see AUTHORS file)

option name Debug Log File type string default 
......
uciok
[ERROR:flutter/lib/ui/ui_dart_state.cc(209)] Unhandled Exception: MissingPluginException(No implementation found for method initSoundpool on channel pl.ukaszapps/soundpool)
#0      MethodChannel._invokeMethod (package:flutter/src/services/platform_channel.dart:165:7)
<asynchronous suspension>
#1      MethodChannelSoundpoolPlatform.init (package:soundpool_platform_interface/method_channel_soundpool_platform.dart:11:100)
<asynchronous suspension>
#2      Soundpool._connect (package:soundpool/soundpool.dart:321:20)
<asynchronous suspension>