I think they are seriously hotfixing all mods there are, you finding out a new fix with the NULL, NULL thing and promptly they fix that too and now they know that if you log back in again you get those items they will definantly fix these too in a hotfix.
However in latest fix they screwed up the carpentry skill totally.
That is because you only updated the database, the server does not read every change in the database only when certain functions on it call it. Like when a character first connects it loads and sends data on what is all in that character's inventory.