Fatal error: Uncaught Error: Interface "Symfony\Component\Security\Core\User\UserProviderInterface" not found in D:\htdocs\SuiteCRM\core\backend\Security\Ldap\AppLdapUserProvider.php:39 Stack trace: #0 {main} thrown in D:\htdocs\SuiteCRM\core\backend\Security\Ldap\AppLdapUserProvider.php on line 39