very strange: all groups work fine, except one.

[Guich]

Hi Inn friends,

I have a very strange issue. I'm hosting 6 newsgroups. I had migrated some
old messages to all of these newsgroups. All of them work fine, except one.

If i remove all migrated messages from this newsgroup to another folder and
reconfigure history/renumber, i can then post new messages.

Any clues on what's wrong?

thanks

      guich