module error.

[johnfriend]

When I install and run this module, I am getting the following error.

../../../../development/flutter/.pub-cache/hosted/pub.dartlang.org/multi_select_flutter-3.1.3/lib/dialog/multi_select_dialog_field.dart:92:9: Error: Type 'AutovalidateMode' not found.
final AutovalidateMode autovalidateMode;
^^^^^^^^^^^^^^^^
../../../../development/flutter/.pub-cache/hosted/pub.dartlang.org/multi_select_flutter-3.1.3/lib/bottom_sheet/multi_select_bottom_sheet_field.dart:101:9: Error: Type 'AutovalidateMode' not found.
final AutovalidateMode autovalidateMode;
^^^^^^^^^^^^^^^^
../../../../development/flutter/.pub-cache/hosted/pub.dartlang.org/multi_select_flutter-3.1.3/lib/chip_field/multi_select_chip_field.dart:83:9: Error: Type 'AutovalidateMode' not found.
final AutovalidateMode autovalidateMode;
^^^^^^^^^^^^^^^^
../../../../development/flutter/.pub-cache/hosted/pub.dartlang.org/multi_select_flutter-3.1.3/lib/dialog/multi_select_dialog_field.dart:92:9: Error: 'AutovalidateMode' isn't a type.
final AutovalidateMode autovalidateMode;
^^^^^^^^^^^^^^^^
../../../../development/flutter/.pub-cache/hosted/pub.dartlang.org/multi_select_flutter-3.1.3/lib/dialog/multi_select_dialog_field.dart:128:29: Error: Getter not found: 'AutovalidateMode'.
this.autovalidateMode = AutovalidateMode.disabled,
^^^^^^^^^^^^^^^^
../../../../development/flutter/.pub-cache/hosted/pub.dartlang.org/multi_select_flutter-3.1.3/lib/dialog/multi_select_dialog_field.dart:134:13: Error: No named parameter with the name 'autovalidateMode'.
autovalidateMode: autovalidateMode,
^^^^^^^^^^^^^^^^
../../../../development/flutter/.pub-cache/hosted/pub.dartlang.org/multi_select_flutter-3.1.3/lib/bottom_sheet/multi_select_bottom_sheet_field.dart:101:9: Error: 'AutovalidateMode' isn't a type.
final AutovalidateMode autovalidateMode;
^^^^^^^^^^^^^^^^
../../../../development/flutter/.pub-cache/hosted/pub.dartlang.org/multi_select_flutter-3.1.3/lib/bottom_sheet/multi_select_bottom_sheet_field.dart:141:29: Error: Getter not found: 'AutovalidateMode'.
this.autovalidateMode = AutovalidateMode.disabled,
^^^^^^^^^^^^^^^^
../../../../development/flutter/.pub-cache/hosted/pub.dartlang.org/multi_select_flutter-3.1.3/lib/bottom_sheet/multi_select_bottom_sheet_field.dart:146:13: Error: No named parameter with the name 'autovalidateMode'.
autovalidateMode: autovalidateMode,
^^^^^^^^^^^^^^^^
../../../../development/flutter/.pub-cache/hosted/pub.dartlang.org/multi_select_flutter-3.1.3/lib/chip_field/multi_select_chip_field.dart:83:9: Error: 'AutovalidateMode' isn't a type.
final AutovalidateMode autovalidateMode;
^^^^^^^^^^^^^^^^
../../../../development/flutter/.pub-cache/hosted/pub.dartlang.org/multi_select_flutter-3.1.3/lib/chip_field/multi_select_chip_field.dart:111:29: Error: Getter not found: 'AutovalidateMode'.
this.autovalidateMode = AutovalidateMode.disabled,
^^^^^^^^^^^^^^^^
../../../../development/flutter/.pub-cache/hosted/pub.dartlang.org/multi_select_flutter-3.1.3/lib/chip_field/multi_select_chip_field.dart:123:13: Error: No named parameter with the name 'autovalidateMode'.
autovalidateMode: autovalidateMode,

[fabton1963]

I get the same error too.

[fabton1963]

I solved with flutter upgrade.

[srijanlama]

i m facing similar issue /C:/flutter/.pub-cache/hosted/pub.dartlang.org/multi_select_flutter-3.1.8/lib/dialog/multi_select_dialog_field.dart:93:9: Error: Type 'AutovalidateMode' not found.
my flutter doctor config

Flutter 1.20.0 • channel stable • https://github.com/flutter/flutter.git
Framework • revision 840c9205b3 (1 year, 10 months ago) • 2020-08-04 20:55:12 -0700
Engine • revision c8e3b94853
Tools • Dart 2.9.0

any help appeciated thanks