Fatal error: Uncaught Error: Interface 'Illuminate\Contracts\Container\ContextualBindingBuilder' not found in E:\xampp\htdocs\vendor\laravel\framework\src\Illuminate\Container\ContextualBindingBuilder.php:9 Stack trace: #0 {main} thrown in E:\xampp\htdocs\vendor\laravel\framework\src\Illuminate\Container\ContextualBindingBuilder.php on line 9