Fatal error: Uncaught Error: Class 'Symfony\Component\Debug\ExceptionHandler' not found in /var/www/html/vendor/laravel/framework/src/Illuminate/Exception/ExceptionServiceProvider.php:68 Stack trace: #0 /var/www/html/vendor/laravel/framework/src/Illuminate/Container/Container.php(149): Illuminate\Exception\ExceptionServiceProvider->Illuminate\Exception\{closure}(Object(Illuminate\Foundation\Application)) #1 /var/www/html/vendor/laravel/framework/src/Illuminate/Container/Container.php(305): Illuminate\Container\Container->Illuminate\Container\{closure}(Object(Illuminate\Foundation\Application), Array) #2 /var/www/html/vendor/laravel/framework/src/Illuminate/Container/Container.php(250): Illuminate\Container\Container->build(Object(Closure), Array) #3 /var/www/html/vendor/laravel/framework/src/Illuminate/Foundation/Application.php(483): Illuminate\Container\Container->make('exception.plain', Array) #4 /var/www/html/vendor/laravel/framework/src/Illuminate/Container/Container.php(537): Illuminate\Foundation\Application->make( in /var/www/html/vendor/laravel/framework/src/Illuminate/Exception/ExceptionServiceProvider.php on line 68