Fatal error: Uncaught Error: Interface "ilMailRecipientParser" not found in /var/www/html/ilias/components/ILIAS/Mail/classes/Address/Parser/class.ilBaseMailRfc822AddressParser.php:25 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/Mail/classes/Address/Parser/class.ilBaseMailRfc822AddressParser.php on line 25