Sorry about that, anyway you have to think harder to catch my point. Hehe 
I will do that after more caffeine.
I found this excuse
Yes, I was vaguely aware of this limitation, but I tried editing out a whole column form each table (the "forum" one) and the problem persists.
I think your post uses redundant tags, your tables are actually fine.
I can't see why:
The post without the tables is fine.
The tables without the post are fine.
The sum is not fine.