Fatal error: Uncaught Error: Class "Doctrine\DBAL\Schema\Schema" not found in C:\xampp\htdocs\electronica\vendor\jms\security-extra-bundle\JMS\SecurityExtraBundle\Security\Util\SecureRandomSchema.php:13 Stack trace: #0 {main} thrown in C:\xampp\htdocs\electronica\vendor\jms\security-extra-bundle\JMS\SecurityExtraBundle\Security\Util\SecureRandomSchema.php on line 13