Notice: Undefined variable: app in /var/www/html/dev/spa/vendor/laravel/framework/src/Illuminate/Foundation/start.php on line 62

Call Stack:
    0.0003     241848   1. {main}() /var/www/html/dev/spa/vendor/laravel/framework/src/Illuminate/Foundation/start.php:0


Fatal error: Call to a member function instance() on a non-object in /var/www/html/dev/spa/vendor/laravel/framework/src/Illuminate/Foundation/start.php on line 62

Call Stack:
    0.0003     241848   1. {main}() /var/www/html/dev/spa/vendor/laravel/framework/src/Illuminate/Foundation/start.php:0