You can see on the related thread how to make it compatible with newest version of Ubercart.

I think I will not support this module anymore for several reasons discuted in several others thread about the VAT :

• My deadlines is very close and I need to put 100% of my brain on others module I need
• The Taxe do a similar job to the VAT module, you can set different tax for different product classes etc... The only things that the VAT module do is to show VAT on checkout pane

The VAT module need a big changement to allow to manage and put product prices without VAT on your shop to have "not wrong" google analytic reports etc...

Instead of working on VAT module, I will work on a module that allow to put price with VAT when you put your sell price without VAT. But I think it will be another module that the VAT module.