error

[pretech86]

{
"resource": "/C:/Users/kareem/AndroidProjects/flutter-firebase-quizapp-course/lib/screens/profile.dart",
"owner": "dart",
"code": "experiment_not_enabled",
"severity": 8,
"message": "This requires the 'control-flow-collections' language feature to be enabled.\nTry updating your pubspec.yaml to set the minimum SDK constraint to 2.2.2 or higher, and running 'pub get'.",
"source": "dart",
"startLineNumber": 27,
"startColumn": 13,
"endLineNumber": 27,
"endColumn": 15,
"tags": []
}