Recent messages from a social network group should be the first to show

main/inc/lib/message.lib.php

@@ -763,7 +763,7 @@ class MessageManager
                 WHERE
                     group_id= $group_id AND
                     msg_status NOT IN ('".MESSAGE_STATUS_OUTBOX."', '".MESSAGE_STATUS_DELETED."')
-                ORDER BY id";
+                ORDER BY id DESC";
         $rs = Database::query($sql);
         $data = array();
         if (Database::num_rows($rs) > 0) {