:: No; if you are going to keep using v.1.5.1, then you will
:: solve the problem as you (indirectly) did - by doing ALTER
:: INDEX blah INACTIVE followed by ALTER INDEX blah ACTIVE

Actually I tried that too - by accident when I was debugging. No change....
I've disabled it now. We'll upgrade to a newer FB when we can, but I cant
upgrade the production app right now an introduce any more variables.