Fatal error: Uncaught Error: Class 'Symfony\Component\Security\Core\Authentication\Token\AbstractToken' not found in /home/soh-works/www/3good_old/vendor/symfony/security-core/Authentication/Token/UsernamePasswordToken.php:21 Stack trace: #0 {main} thrown in /home/soh-works/www/3good_old/vendor/symfony/security-core/Authentication/Token/UsernamePasswordToken.php on line 21