title: Can anyone tell me what is this error in flutter when I am trying to add syncfusion_flutter_pdfviewer package
body: <p>When I add  syncfusion_flutter_pdfviewer package in yaml file I am getting the below error. can anyone tell me what is that error states ?
  /C:/src/flutter/.pub-cache/hosted/pub.dartlang.org/syncfusion_flutter_pdfviewer-20.2.48-beta/lib/src/common/pdfviewer_plugin.dart:21:23: Error: Type 'Uint8List' not found.
  CancelableOperation&lt;Uint8List?&gt;? _nativeImage;
  ^^^^^^^^^
  /C:/src/flutter/.pub-cache/hosted/pub.dartlang.org/syncfusion_flutter_pdfviewer-20.2.48-beta/lib/src/common/pdfviewer_plugin.dart:24:37: Error: Type 'Uint8List' not found.</p>