I'll post this again from the previous thread on this topic
IF YOU SELECT 'POST REPLY' YOU WILL NORMALLY BE ABLE TO READ ALL THE 'MISSING' POSTS
Note to IB: The posts are normally 'there' and it is thought to be the usual heavy-handed, often quirky, moderation and deletion of posts that causes the problem with the database. I believe it was claimed it would be sorted on the next db run.