Warning: include(C:\webroot\vendor\laravel\framework\src\Illuminate\Contracts\Routing\Registrar.php): failed to open stream: Invalid argument in C:\webroot\vendor\composer\ClassLoader.php on line 444

Warning: include(): Failed opening 'C:\webroot\vendor\composer/../laravel/framework/src/Illuminate/Contracts/Routing/Registrar.php' for inclusion (include_path='C:\xampp\php\PEAR') in C:\webroot\vendor\composer\ClassLoader.php on line 444

Fatal error: Interface 'Illuminate\Contracts\Routing\Registrar' not found in C:\webroot\vendor\laravel\framework\src\Illuminate\Routing\Router.php on line 21