Items showing lit up as "buyable" when they aren't

Remember that bug you said you fixed where buying an item that builds into something would sometimes illuminate (but not make available) the next item up? Yeah, still not completely fixed.

Have just enough money to purchase and (in any order) and watch illuminate but not be purchasable.

This has happened since the patch that "fixed" it. Mainly on just this item (as far as I've noticed). What's fun is buying and then "undo"ing the action then rebuying them. Still happens.