Error execution app windows 11

themes/food/lib/items/stack/parallax_content.dart:116:32: Error: The argument type ‘ScrollableState?’ can’t be assigned to the parameter type ‘ScrollableState’ because ‘ScrollableState?’ is nullable and ‘ScrollableState’ isn’t.

  • ‘ScrollableState’ is from ‘package:flutter/src/widgets/scrollable.dart’ (‘/C:/flutter/packages/flutter/lib/src/widgets/scrollable.dart’).
    scrollable: Scrollable.of(context),

FAILURE: Build failed with an exception.

  • Where:
    Script ‘C:\flutter\packages\flutter_tools\gradle\flutter.gradle’ line: 1165

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

Process ‘command ‘C:\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.

Exception: Gradle task assembleDebug failed with exit code 1

Your question is not in any way Gradle related, so this is the wrong place to ask.
You simply have a compilation error because your code is bad it seems.
But better ask in some Flutter or Dart community.