Fatal error: Class 'Illuminate\Support\ServiceProvider' not found in /var/www/html/dev/spa/vendor/laravel/framework/src/Illuminate/Routing/ControllerServiceProvider.php on line 9

Call Stack:
    0.0005     241216   1. {main}() /var/www/html/dev/spa/vendor/laravel/framework/src/Illuminate/Routing/ControllerServiceProvider.php:0