【SentryFlutterPlugin】シンボルを見つけられません

Launching lib/main.dart on sdk gphone64 arm64 in debug mode...
Running Gradle task 'assembleStagingDebug'...
/Users/user/project/android/app/src/main/java/io/flutter/plugins/GeneratedPluginRegistrant.java:184: エラー: シンボルを見つけられません
flutterEngine.getPlugins().add(new io.sentry.flutter.SentryFlutterPlugin());

flutter cleanで解決。