/usr/local/flutter/.pub-cache/hosted/pub.dartlang.org/scrollable_positioned_list-0.3.6/lib/src/scrollable_positioned_list.dart:278:61: Error: Method 'readState' cannot be called on 'PageStorageBucket?' because it is potentially null.
 - 'PageStorageBucket' is from 'package:flutter/src/widgets/page_storage.dart' ('/usr/local/flutter/packages/flutter/lib/src/widgets/page_storage.dart').
[        ] Try calling using ?. instead.
[        ]     ItemPosition? initialPosition = PageStorage.of(context).readState(context);
[        ]                                                             ^^^^^^^^^
[   +1 ms] /usr/local/flutter/.pub-cache/hosted/pub.dartlang.org/scrollable_positioned_list-0.3.6/lib/src/scrollable_positioned_list.dart:577:31: Error: Method 'writeState' cannot be called on 'PageStorageBucket?' because it is potentially null.
[        ]  - 'PageStorageBucket' is from 'package:flutter/src/widgets/page_storage.dart' ('/usr/local/flutter/packages/flutter/lib/src/widgets/page_storage.dart').
[        ] Try calling using ?. instead.
[        ]       PageStorage.of(context).writeState(
[        ]                               ^^^^^^^^^^
[   +3 ms] Target kernel_snapshot failed: Exception