thanks for your testing.
I saw now that I was testing it with latest SVN version and not IP 1.3
It is very similar but maybe this was the problem.
I fixed it now I little bit different
OPEN viewtopic.php
FIND
REPLACE WITH
LIMIT " . (($userdata['user_id'] == ANONYMOUS) && ($forum_id == 1) ? 1 : $start . ", " . $config['posts_per_page']);
Do you think this is safe to use?
Thanks for your opinion.