You could also apply the following patch from the 1.3 branch:
http://dev.punbb.org/changeset/525
Edit: See below 
551 2006-08-28 09:53
Re: This is annoying (6 replies, posted in PunBB 1.2 troubleshooting)
552 2006-08-28 09:47
Re: Missing Numbers on Index page (1 replies, posted in PunBB 1.2 bug reports)
Noted. Will fix in 1.3.
553 2006-08-25 09:29
Re: PunBB 1.2.12 (69 replies, posted in News)
silence: How about asking over at Punres?
I deleted your other topic on the subject btw.
554 2006-08-25 07:40
Topic: What Enrique Iglesias really sounds like (4 replies, posted in General discussion)
555 2006-08-25 07:39
Re: A new, free PunBB forum host! (16 replies, posted in PunBB 1.2 discussion)
Cool! I hope it works out.
556 2006-08-24 21:07
Re: Help! My PunBB Mailer has just been exploited (14 replies, posted in PunBB 1.2 bug reports)
elbekko wrote:
Myeah, but you would still need to store the last time they sent a mail
True. We could probably get away with adding that field to the users table though. I'll put this on the investigate list for 1.3.
557 2006-08-24 20:33
Re: Help! My PunBB Mailer has just been exploited (14 replies, posted in PunBB 1.2 bug reports)
Well, who was the sender? Ban him.
558 2006-08-24 13:12
Re: Italian Language pack (1 replies, posted in PunBB 1.2 bug reports)
Updated. Thanks.
559 2006-08-23 14:28
Re: Alpha listing / establish alpha order (1 replies, posted in PunBB 1.2 troubleshooting)
Well, if you have a look after "ORDER BY sticky DESC" on that line, you'll notice there's one more sort condition. Just replace that so you end up with something along the lines of:
ORDER BY sticky DESC, subject ASC
560 2006-08-22 22:28
Re: What text editor do you use? (3 replies, posted in General discussion)
You should check out this topic.
Moved to general discussion.
561 2006-08-22 21:21
Re: Akismet spam protection for PunBB (14 replies, posted in PunBB 1.2 modifications, plugins and integrations)
Very nice. This should make a nice extension when the time comes.
562 2006-08-21 21:34
Re: trouble with install on m$ w2k3-iis6 (21 replies, posted in PunBB 1.2 troubleshooting)
That's odd. It must be an IIS issue.
Question: Do you need IIS for anything except this? I mean, are you running ASP/ASP.NET scripts as well? If not, uninstall that sorry excuse for a webserver and install Apache.
563 2006-08-21 20:30
Re: Problem with adding a new Group (7 replies, posted in PunBB 1.2 modifications, plugins and integrations)
Moved to "Modifications" since this is related to a mod.
564 2006-08-21 20:29
Re: trouble with install on m$ w2k3-iis6 (21 replies, posted in PunBB 1.2 troubleshooting)
Are you sure that's PunBB and not some other forum based on PunBB? I sure as hell havn't written the "for windows .." comment stuff.
565 2006-08-21 14:47
Re: html tags in the opening message but not in the replys (4 replies, posted in PunBB 1.2 discussion)
I'm not sure I understand. PunBB does not "allow" HTML in any posts.
566 2006-08-18 11:45
Re: Concrete oops! (5 replies, posted in General discussion)
elbekko wrote:
Hrmm, are your feet now stuck in a block of concrete by any chance?
Luckily, I wasn't involved in this accident. I just found the link on the net somewhere
567 2006-08-18 11:37
Topic: Concrete oops! (5 replies, posted in General discussion)
http://digg.com/offbeat_news/Concrete_Oops
Feel free to digg the story
568 2006-08-18 11:37
Re: Many pages without posts ? (20 replies, posted in PunBB 1.2 troubleshooting)
Yes, but the "I can't because poster_id=1 is not attribute to guess but another user." confused me.
569 2006-08-18 07:03
Re: Can i remove "© Copyright 20022005 Rickard Andersson" (2 replies, posted in PunBB 1.2 discussion)
At the very top of the topic listing in this forum, you'll find http://punbb.org/forums/viewtopic.php?id=2165
570 2006-08-18 06:44
Re: Many pages without posts ? (20 replies, posted in PunBB 1.2 troubleshooting)
tomekf: Have a look in your users table and make sure there's a user with id = 1 that's called "Guest". If not, locate the guest user and change it's user id to 1.
571 2006-08-18 06:43
Re: Trying to change users group (1 replies, posted in PunBB 1.2 troubleshooting)
Check the permissions on profile.php. Use your FTP client to chmod it to 755.
572 2006-08-18 06:39
Re: Do XennoBB problems = PunBB problems? (2 replies, posted in PunBB 1.2 bug reports)
I am keeping my eye on it. Neither of the two vulnerabilities discovered by Chris Boulton affect PunBB.
573 2006-08-17 19:58
Re: Many pages without posts ? (20 replies, posted in PunBB 1.2 troubleshooting)
Well, the easy fix is to set the user_id for the missing posts to 1. Then they should appear as guest posts. That's what PunBB does when you delete a user (unless you choose to delete the posts as well).
574 2006-08-17 09:45
Re: Link to users' profiles in "Last Post" column (1 replies, posted in Feature requests)
aPerson wrote:
Are we allowed to edit the files so we can do this?
Feel free.
575 2006-08-16 23:07
Re: Many pages without posts ? (20 replies, posted in PunBB 1.2 troubleshooting)
The odd thing is that only 47 posts are displayed in the topic. This means there are 5 posts that aren't displayed for some reason. My guess is that there are posts that have a poster_id (the id of the user who posted) that points to a user that for some reason has been removed the users table. Maybe you could go through the posts in the database and check?