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