The current Dart SDK version is 3.5.3.Because japanese_qz requires SDK version ^3.6.0, version solving failed.You can try the following suggestion to make the pubspec resolve: * Try using the Flutter SDK version: 3.29.2. flutter upgrade 3.27.1 FAILURE: Build failed with an exception. * What went wrong: A problem occurred configuring project ':google_mobile_ads'. > Could not create an instan..