HJ Lubbe

That error means your product id numbers are off. The cart is trying to insert a product with id 39 which must already be there - or else your mods have created a situation where it's posting twice. You need to access your database and find out what is in the products table and the last id used. If it is the same product as what you were trying to add, then you are adding twice. If not, then you can increase the auto increment by one to make the next id number advance. Auto increment can be viewed on the operations tab for the products table if you are using phpmyadmin.

colin0502

I'm just about to dig in and do this and I'll try to post what you need shortly.