gridviewでのエラー

flutter大学の教科書2をやっている時に発生したエラー

ertical viewport was given unbounded height. Viewports expand in the scrolling direction to fill their container. In this case, a vertical viewport was given an unlimited amount of vertical space in which to expand. This situation typically happens when a scrollable widget is

てな感じの長いエラーが出ました。ざっくり言うとスクロール部分に問題があるみたいです。
最終的に原因はわかりませんでしたが、解決はしたので記す。

  body: SingleChildScrollView(
    child: Column(
      children: [
        Padding(
          padding: const EdgeInsets.all(8.0),
          child: Row(
            crossAxisAlignment: CrossAxisAlignment.start,
            children: [
              Image.network(
                'https://spirits-ltd.com/media/wp-content/uploads/2023/03/4.png',
                width: 100,
                height: 60,
              ),
              const Spacer(),
              const Column(
                children: [
                  Text('投稿'),
                  Text('7000'),
                ],
              ),
              const SizedBox(width: 20,),
              const Column(
                children: [
                  Text('フォロワー'),
                  Text('70000'),
                ],
              ),
              const SizedBox(width: 20,),
              const Column(
                children: [
                  Text('フォロー'),
                  Text('0'),
                ],
              ),
            ],
          ),
        ),
        Text('instagram'),
        GridView.count(
          shrinkWrap: true,
          physics: const NeverScrollableScrollPhysics(),

「flutter gridview」を公式で検索したコードのコピペに、上の２行を追加すると改善しました

          primary: false,
          padding: const EdgeInsets.all(20),
          crossAxisSpacing: 10,
          mainAxisSpacing: 10,
          crossAxisCount: 2,
          children: <Widget>[
            Container(
              padding: const EdgeInsets.all(8),
              color: Colors.teal[100],
              child: const Text("He'd have you all unravel at the"),
            ),
            Container(
              padding: const EdgeInsets.all(8),
              color: Colors.teal[200],
              child: const Text('Heed not the rabble'),
            ),
            Container(
              padding: const EdgeInsets.all(8),
              color: Colors.teal[300],
              child: const Text('Sound of screams but the'),
            ),
            Container(
              padding: const EdgeInsets.all(8),
              color: Colors.teal[400],
              child: const Text('Who scream'),
            ),
            Container(
              padding: const EdgeInsets.all(8),
              color: Colors.teal[500],
              child: const Text('Revolution is coming...'),
            ),
            Container(
              padding: const EdgeInsets.all(8),
              color: Colors.teal[600],
              child: const Text('Revolution, they...'),
            ),
          ],
        )
      ],
    ),
  ),