I've seen two situations on a UBB.threads web board ( version 7.5.7 ) with posts disappearing.

The first is with existing posts, if they are called up, but not from the first page and in threaded mode. The title, url, etc will be there......all except for the content.

The second is with new posts. If the user copies content from a web site, particularly with apostrophes, quotation marks, single quotes the post will have a blank content area. It isn't just any apostrophe, single quote, or quotation mark though. You can type those by hand in and it will post. It is some special kind of formatting we can NOT see that is doing this. Dropping the text into a text editor like gedit will NOT clean these marks out, neither will dos2unix ( Mint 17 ).

The same kind of of copy-and-pasted content will work fine on UBB.threads 7.5.8. I'm guessing there is a bug. Is there a particular patch or update the admin can install to make the disappearing post problem stop?