Fatal error: Class 'Symfony\Component\HttpFoundation\Session\Storage\MockArraySessionStorage' not found in /var/www/html/dev/spa/vendor/symfony/http-foundation/Symfony/Component/HttpFoundation/Session/Storage/MockFileSessionStorage.php on line 26

Call Stack:
    0.0005     253048   1. {main}() /var/www/html/dev/spa/vendor/symfony/http-foundation/Symfony/Component/HttpFoundation/Session/Storage/MockFileSessionStorage.php:0