Fatal error: Class 'Symfony\Component\HttpFoundation\Session\Storage\Proxy\AbstractProxy' not found in /var/www/html/dev/spa/vendor/symfony/http-foundation/Symfony/Component/HttpFoundation/Tests/Session/Storage/Proxy/AbstractProxyTest.php on line 19

Call Stack:
    0.0008     284200   1. {main}() /var/www/html/dev/spa/vendor/symfony/http-foundation/Symfony/Component/HttpFoundation/Tests/Session/Storage/Proxy/AbstractProxyTest.php:0