目标[Illuminate \ Contracts \ Http \ Kernel]不可实例化laravel-5.4

Question

将laravel从5.2升级到5.4后，出现此错误。

    <br />
<b>Warning</b>:  Illegal offset type in <b>C:\xampp\htdocs\valuable-app\dev-master\rest_app\vendor\laravel\framework\src\Illuminate\Container\Container.php</b> on line <b>449</b><br />
<br />
<b>Warning</b>:  Illegal offset type in <b>C:\xampp\htdocs\valuable-app\dev-master\rest_app\vendor\laravel\framework\src\Illuminate\Container\Container.php</b> on line <b>449</b><br />
<br />
<b>Warning</b>:  Illegal offset type in <b>C:\xampp\htdocs\valuable-app\dev-master\rest_app\vendor\laravel\framework\src\Illuminate\Container\Container.php</b> on line <b>449</b><br />
<br />
<b>Warning</b>:  Illegal offset type in <b>C:\xampp\htdocs\valuable-app\dev-master\rest_app\vendor\laravel\framework\src\Illuminate\Container\Container.php</b> on line <b>449</b><br />
<br />
<b>Warning</b>:  Illegal offset type in <b>C:\xampp\htdocs\valuable-app\dev-master\rest_app\vendor\laravel\framework\src\Illuminate\Container\Container.php</b> on line <b>449</b><br />
<br />
<b>Warning</b>:  Illegal offset type in <b>C:\xampp\htdocs\valuable-app\dev-master\rest_app\vendor\laravel\framework\src\Illuminate\Container\Container.php</b> on line <b>449</b><br />
<br />
<b>Warning</b>:  Illegal offset type in <b>C:\xampp\htdocs\valuable-app\dev-master\rest_app\vendor\laravel\framework\src\Illuminate\Container\Container.php</b> on line <b>449</b><br />
<br />
<b>Fatal error</b>:  Uncaught Illuminate\Contracts\Container\BindingResolutionException: Target [Illuminate\Contracts\Http\Kernel] is not instantiable. in C:\xampp\htdocs\valuable-app\dev-master\rest_app\vendor\laravel\framework\src\Illuminate\Container\Container.php:894
Stack trace:
0 C:\xampp\htdocs\valuable-app\dev-master\rest_app\vendor\laravel\framework\src\Illuminate\Container\Container.php(734): Illuminate\Container\Container-&gt;notInstantiable('Illuminate\\Cont...')
1 C:\xampp\htdocs\valuable-app\dev-master\rest_app\vendor\laravel\framework\src\Illuminate\Container\Container.php(608): Illuminate\Container\Container-&gt;build('Illuminate\\Cont...')
2 C:\xampp\htdocs\valuable-app\dev-master\rest_app\vendor\laravel\framework\src\Illuminate\Container\Container.php(575): Illuminate\Container\Container-&gt;resolve('Illuminate\\Cont...')
3 C:\xampp\htdocs\valuable-app\dev-master\rest_app\vendor\laravel\framework\src\Illuminate\Foundation\Application.php(728): Illuminate\Container\Container-&gt;make('Illuminate\\Cont...')
4 C:\xampp\ht in <b>C:\xampp\htdocs\valuable-app\dev-master\rest_app\vendor\laravel\framework\src\Illuminate\Container\Container.php</b> on line <b>894</b>

我已经花了很多时间来解决这个问题，但没有得到有效的答案。请任何人