Can't create build script snapshot

[roma7481]

I am trying to implement floor database in my project. I did all the steps and still has errors while trying to run
flutter packages pub run build_runner build

My console:
[INFO] Creating build script snapshot......
[WARNING] stderr: /C:/Users/xxxx/AppData/Local/Pub/Cache/hosted/pub.dartlang.org/floor_generator-1.0.0/lib/misc/type_utils.dart:49:31: Error: A value of type 'DartObject?' can't be returned from a function with return type
'DartObject' because 'DartObject?' is nullable and 'DartObject' isn't.
[WARNING] stderr: - 'DartObject' is from 'package:analyzer/dart/constant/value.dart' ('/C:/Users/Roman-Alisa/AppData/Local/Pub/Cache/hosted/pub.dartlang.org/analyzer-1.2.0/lib/dart/constant/value.dart').
[WARNING] stderr: return _typeChecker(type).firstAnnotationOfExact(this);
[WARNING] stderr: ^
[INFO] Creating build script snapshot... completed, took 12.7s

[SEVERE] Failed to snapshot build script .dart_tool/build/entrypoint/build.dart.
This is likely caused by a misconfigured builder definition.

my dart classes

@dao
abstract class NoteDao {

@query('SELECT * FROM '+ noteTableName)
Future<List> getList();

@insert
Future insertNote(NoteModel note);

@update
Future updateNote(NoteModel note);

@delete
Future deleteNote(NoteModel note);

@delete
Future deleteNotes(List notes);
}

@database(version: 1, entities: [NoteModel])
abstract class AppDatabase extends FloorDatabase {
NoteDao getnoteDao;

}

my yaml file

version: 1.0.0+1

environment:
sdk: ">=2.12.0 <3.0.0"

dependencies:
flutter:
sdk: flutter
just_audio: ^0.7.0
audio_service: ^0.17.0-nullsafety.0
http: ^0.13.0
floor: ^1.0.0
firebase_core: ^1.0.1
firebase_auth: ^1.0.1
flutter_bloc: ^7.0.0-nullsafety.5
cloud_firestore: ^1.0.1
provider: ^5.0.0
cached_network_image: ^3.0.0-nullsafety
nuts_activity_indicator: ^0.1.1

cupertino_icons: ^1.0.2

dev_dependencies:
flutter_test:
sdk: flutter
floor_generator: ^1.0.0
build_runner: ^1.12.2
/build:
dart:
dependency_overrides:
sqflite: ^2.0.0+3
rxdart: ^0.26.0
audio_session: ^0.1.0
floor_generator: ^1.0.0
uuid: ^3.0.1
build: ^2.0.0
source_gen: ^1.0.0

when I add @query('SELECT * FROM '+ noteTableName)
Future<List> getList();

it all falls apart. Could someone please help?

Thanks.

[proninyaroslav]

Same here. analyzer: ^1.2.0, build: ^2.0.0, source_gen: ^1.0.0.

[proninyaroslav]

There seems to be a problem in source_gen, version 1.0.0 uses null safety, but the floor_generator code is not adapted for this #504. As a quick workaround, we need to use a version of source_gen below 1.0.0.