Hello,
Cataclysm MPQ names must be wow-update-base-XXXXX
For the 4.0.6 rev 13623, you must choose a value between 13624 and 99999.
For example : wow-update-base-50000
Put this in your Data.
When you create a new mpq, choose cataclysm version with Mpq editor
That's all :p