Fatal error: Uncaught Error: Class "JMS\Parser\AbstractLexer" not found in C:\xampp\htdocs\electronica\vendor\jms\security-extra-bundle\JMS\SecurityExtraBundle\Security\Authorization\Expression\ExpressionLexer.php:21 Stack trace: #0 {main} thrown in C:\xampp\htdocs\electronica\vendor\jms\security-extra-bundle\JMS\SecurityExtraBundle\Security\Authorization\Expression\ExpressionLexer.php on line 21