Fatal error: Uncaught Error: Interface "NCU\Config\Lexicon\IConfigLexicon" not found in /var/www/html/nextcloud/apps/files_sharing/lib/Config/ConfigLexicon.php:23 Stack trace: #0 {main} thrown in /var/www/html/nextcloud/apps/files_sharing/lib/Config/ConfigLexicon.php on line 23