Fatal error: Uncaught Error: Class 'Symfony\Component\Ldap\Security\LdapUserProvider' not found in /home/soh-works/www/Stepup_test/vendor/symfony/security-core/User/LdapUserProvider.php:28 Stack trace: #0 {main} thrown in /home/soh-works/www/Stepup_test/vendor/symfony/security-core/User/LdapUserProvider.php on line 28