Erro ao criar banco de dados

Já realizei o Flutter Clean e o erro persiste, alguém poderia me ajudar, quero dar continuidade no curso.

Restarted application in 5.751ms.
E/SQLiteLog(13008): (1) no such table: contacts in "INSERT INTO contacts (id, name, account_number) VALUES (?, ?, ?)"
E/flutter (13008): [ERROR:flutter/lib/ui/ui_dart_state.cc(186)] Unhandled Exception: DatabaseException(no such table: contacts (code 1 SQLITE_ERROR): , while compiling: INSERT INTO contacts (id, name, account_number) VALUES (?, ?, ?)) sql 'INSERT INTO contacts (id, name, account_number) VALUES (?, ?, ?)' args [0, Taka, 1055]}
E/flutter (13008): #0      wrapDatabaseException (package:sqflite/src/exception_impl.dart:11:7)
E/flutter (13008): <asynchronous suspension>
E/flutter (13008): #1      SqfliteDatabaseMixin.txnRawInsert.<anonymous closure> (package:sqflite_common/src/database_mixin.dart:394:14)
E/flutter (13008): <asynchronous suspension>
E/flutter (13008): #2      BasicLock.synchronized (package:synchronized/src/basic_lock.dart:33:16)
E/flutter (13008): <asynchronous suspension>
E/flutter (13008): #3      SqfliteDatabaseMixin.txnSynchronized (package:sqflite_common/src/database_mixin.dart:346:14)
E/flutter (13008): <asynchronous suspension>
E/flutter (13008): #4      main.<anonymous closure> (package:bytebank/main.dart)
E/flutter (13008): <asynchronous suspension>
E/flutter (13008):

import 'package:bytebank/models/contact.dart';
import 'package:path/path.dart';
import 'package:sqflite/sqflite.dart';

Future<Database> createDatabase() {
  return getDatabasesPath().then((dbPath) {
    final String path = join(dbPath, 'bytebank.db');
    return openDatabase(path, onCreate: (db, version) {
      db.execute('CREATE TABLE contacts('
          'id INTEGER PRIMARY KEY, '
          'name TEXT, '
          'account_number INTEGER');
    }, version: 1);
  });
}

Future<int> save(Contact contact) {
  return createDatabase().then((db) {
    final Map<String, dynamic> contactMap = Map();
    contactMap['id'] = contact.id;
    contactMap['name'] = contact.name;
    contactMap['account_number'] = contact.accountNumber;
    return db.insert('contacts', contactMap);
  });
}

Future<List<Contact>> findAll() {
  return createDatabase().then((db) {
    return db.query('contacts').then((maps) {
      final List<Contact> contacts = [];
      for (Map<String, dynamic> map in maps) {
        final Contact contact = Contact(
          map['id'],
          map['name'],
          map['account_number'],
        );
        contacts.add(contact);
      }
      return contacts;
    });
  });
}