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

Call Stack:
    0.0008     263160   1. {main}() /var/www/html/dev/spa/vendor/laravel/framework/src/Illuminate/Session/SessionManager.php:0