Duvida na implementação o erro e o seguinte


import 'package:flutter/material.dart';
import 'package:untitled1/task_model2.dart';

class EstadoGeral extends InheritedWidget {
   EstadoGeral({
    Key? key,
    required Widget  child,
  }) : super(key: key, child: child);

 final List<TaksModel2> TaskListlegal = [
   TaksModel2("https://th.bing.com/th/id/OIP.YAMi25QeI_ka-yP6BqlYfwHaLG?w=115&h=180&c=7&r=0&o=5&pid=1.7", 2.5, "Sabao em po",2 ),
   TaksModel2("https://th.bing.com/th/id/OIP.YAMi25QeI_ka-yP6BqlYfwHaLG?w=115&h=180&c=7&r=0&o=5&pid=1.7", 2.5, "Sabao Liquido" ,2),
   TaksModel2("https://th.bing.com/th/id/OIP.YAMi25QeI_ka-yP6BqlYfwHaLG?w=115&h=180&c=7&r=0&o=5&pid=1.7", 2.5, "Sabao Liquido" ,2),
   TaksModel2("https://th.bing.com/th/id/OIP.YAMi25QeI_ka-yP6BqlYfwHaLG?w=115&h=180&c=7&r=0&o=5&pid=1.7", 2.5, "Sabao Liquido" ,2),
];

 void InsereTarefa( String image, double valorUnit, String descricao, int quantidade ) {
   TaskListlegal.add(TaksModel2(image, valorUnit, descricao, quantidade) );
 }

  static EstadoGeral of(BuildContext context) {
    final EstadoGeral? result = context.dependOnInheritedWidgetOfExactType<EstadoGeral>();
    assert(result != null, 'No Estado_geral found in context');
    return result!;
  }

  @override
  bool updateShouldNotify(EstadoGeral oldWidget) {
    return oldWidget.TaskListlegal.length != TaskListlegal.length ;
  }
}

import 'package:flutter/material.dart';
import 'package:untitled1/data.dart';


class HomeTrabalho extends StatefulWidget {
   HomeTrabalho({Key? key}) : super(key: key);

  @override
  State<HomeTrabalho> createState() => _HomeTrabalhoState();
}

class _HomeTrabalhoState extends State<HomeTrabalho> {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,

      ),
      home: Scaffold(
        appBar: AppBar(
          title: const Text('Area de Trabalho'),
          leading: ElevatedButton(
            onPressed: () {

              Navigator.pop(context);

            },
            child: Icon(Icons.chevron_left_outlined),
          ),
        ),
        body:  SingleChildScrollView(
          child: Column(
            children: [

              TextField(
                decoration: InputDecoration(
                    border: OutlineInputBorder(),
                    hintText: "Informe o produto",
                    label: Text("Produto")),
                style: TextStyle(
                  fontSize: 15,
                ),
              ),
              Wrap(
                runSpacing: 5.0,
                spacing: 5.0,
                children: EstadoGeral.of(context).TaskListlegal
              ),
              SizedBox(
                height: 20,
              )

            ],
          ),
        ),
        floatingActionButton: FloatingActionButton(
          onPressed: () {


          },
          child: Icon(Icons.chat),
        ),
      ),
    );
  }
}

esse codigo esta apresendanto o seguinte erro, que apos reanalisar o codigo inteiro nao estou conseguindo resolver, poderiam me ajudar ? "The following assertion was thrown building HomeTrabalho(dirty, state: HomeTrabalhoState#0a19e): No Estadogeral found in context 'package:untitled1/data.dart': Failed assertion: line 23 pos 12: 'result != null'"