flutter run failed

[feizezadeh]

I wanted to run this project when I encountered this error after the flutter run command, please help me. Thanks

./../.pub-cache/hosted/pub.dartlang.org/flutter_screenutil-5.0.0+2/lib/screen_util.dart:42:33: Warning: Operand of null-aware operation '?.' has type 'WidgetsBinding' which excludes null.

• 'WidgetsBinding' is from 'package:flutter/src/widgets/binding.dart' ('../../flutter/packages/flutter/lib/src/widgets/binding.dart'). var window = WidgetsBinding.instance?.window ?? ui.window; ^ lib/src/features/bottom_tab/screen/tab_screen.dart:26:20: Warning: Operand of null-aware operation '!' has type 'WidgetsBinding' which excludes null.
• 'WidgetsBinding' is from 'package:flutter/src/widgets/binding.dart' ('../../flutter/packages/flutter/lib/src/widgets/binding.dart'). WidgetsBinding.instance!.addObserver(this); ^ lib/src/features/bottom_tab/screen/tab_screen.dart:32:20: Warning: Operand of null-aware operation '!' has type 'WidgetsBinding' which excludes null.
• 'WidgetsBinding' is from 'package:flutter/src/widgets/binding.dart' ('../../flutter/packages/flutter/lib/src/widgets/binding.dart'). WidgetsBinding.instance!.removeObserver(this); ^ ../../.pub-cache/hosted/pub.dartlang.org/provider-5.0.0/lib/src/inherited_provider.dart:391:26: Warning: Operand of null-aware operation '!' has type 'SchedulerBinding' which excludes null.
• 'SchedulerBinding' is from 'package:flutter/src/scheduler/binding.dart' ('../../flutter/packages/flutter/lib/src/scheduler/binding.dart'). SchedulerBinding.instance!.addPostFrameCallback((_) { ^ ../../.pub-cache/hosted/pub.dartlang.org/platform-3.0.0/lib/src/interface/local_platform.dart:46:19: Error: Member not found: 'packageRoot'. io.Platform.packageRoot; // ignore: deprecated_member_use ^^^^^^^^^^^ lib/src/features/quran/screen/option_screen.dart:107:38: Error: Required named parameter 'onChanged' must be provided. return DropdownButton( ^ ../../flutter/packages/flutter/lib/src/material/dropdown.dart:853:3: Context: Found this candidate, but the arguments don't match. DropdownButton({ ^^^^^^^^^^^^^^ lib/src/features/quran/screen/option_screen.dart:248:38: Error: Required named parameter 'onChanged' must be provided. return DropdownButton( ^ ../../flutter/packages/flutter/lib/src/material/dropdown.dart:853:3: Context: Found this candidate, but the arguments don't match. DropdownButton({ ^^^^^^^^^^^^^^ lib/src/features/quran/screen/option_screen.dart:358:38: Error: Required named parameter 'onChanged' must be provided. return DropdownButton( ^ ../../flutter/packages/flutter/lib/src/material/dropdown.dart:853:3: Context: Found this candidate, but the arguments don't match. DropdownButton({ ^^^^^^^^^^^^^^

FAILURE: Build failed with an exception.

• Where: Script '/home/mehdi/flutter/packages/flutter_tools/gradle/flutter.gradle' line: 1156

• What went wrong: Execution failed for task ':app:compileFlutterBuildDebug'.

Process 'command '/home/mehdi/flutter/bin/flutter'' 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 33m 56s Running Gradle task 'assembleDebug'... 2037.4s Exception: Gradle task assembleDebug failed with exit code 1