Hello,
Sorry to insist, is there a solution even using phpMyAdmin by tweeking directly the database ???
It becomes rather urgent….
Thaks,
I’ll try this way for next time, in the meantime I ended using PhpMyAdmin to delete post and tipic with status=1
I hope this fucntionality will make its way in the core because it can become a real problem.
I had a problematic user, I first deleted all his messages (deleted, but not really deleted as BBPress don’t really delete) then I deleted his account.
A few hours later he recreated his accoun and suddently all supposedly deleted messages appeared with “anonymous” has author…. very strange.
Using phpMyAdmin the problem is gone 
How to use your script ?
Thanks again
-1 The script starts with <?php and finishes with ?>
0 Change lines 1 and 2 with you user, host, password and database name
1 Save to file filename.php
2 Upload to your forum directory
3 Start it. For example – open http://example.com/bbpress/filename.php