There was a bug in the blueprints. When crafting an item it used the older values and the resulting item would have strange features like having a negative value for trade.



I had updated items which appear in caches and merchant inventories, but forgot to update the items when crafted with blueprints.

This will not fix items that were already crafted, but should produce the right results when crafting any new items. The blueprints themselves should be fine, so don't get rid of those.