Running Gradle task 'assembly debug'...
/D:/flutter/.pub-cache/hosted/pub.dartlang.org/dropdown_search-0.4.6/lib/dropdown_search.dart:116:9: Error: Type 'AutovalidateMode' not found.
final AutovalidateMode autoValidateMode;
^^^^^^^^^^^^^^^^
/D:/flutter/.pub-cache/hosted/pub.dartlang.org/dropdown_search-0.4.6/lib/dropdown_search.dart:116:9: Error: 'AutovalidateMode' isn't a type.
final AutovalidateMode autoValidateMode;
^^^^^^^^^^^^^^^^
/D:/flutter/.pub-cache/hosted/pub.dartlang.org/dropdown_search-0.4.6/lib/dropdown_search.dart:149:29: Error: Getter not found: 'AutovalidateMode'.
this.autoValidateMode = AutovalidateMode.disabled,
^^^^^^^^^^^^^^^^
/D:/flutter/.pub-cache/hosted/pub.dartlang.org/dropdown_search-0.4.6/lib/dropdown_search.dart:248:7: Error: No named parameter with the name 'autovalidateMode'.
autovalidateMode: widget.autoValidateMode,
^^^^^^^^^^^^^^^^
/D:/flutter/packages/flutter/lib/src/widgets/form.dart:282:9: Context: Found this candidate, but the arguments don't match.
const FormField({
^^^^^^^^^
FAILURE: Build failed with an exception.
Where: Script 'D:\flutter\packages\flutter_tools\gradle\flutter.gradle' line: 896
What went wrong: Execution failed for task ':app:compileFlutterBuildDebug'.
Process 'command 'D:\flutter\bin\flutter.bat'' finished with non-zero exit value 1
Try: Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.
Get more help at https://help.gradle.org
BUILD FAILED in 26s Exception: Gradle task assembleDebug failed with exit code 1