Vertical viewport was given unbounded height.

viewbound_error_solution_customscrollview.dart

return Scaffold(
  appBar: AppBar(
    title: Text(widget.title),
  ),
  body: CustomScrollView(
    slivers: [
      SliverList(delegate: SliverChildBuilderDelegate(
          (context, index) {
            return Text("hello user");
          },
        childCount: 10
      )),
    ],
  ),
);