if I add item to cart, and goto cart first p empty

Actually I think I need just an idea

Infos:
(The category tree, and the add to cart function is working by ajax.)
Everything what I do except I add item to cart everything working fine.
If I add item, and go to cart I get a blank page with a "next" button.
If I click there, or refresh the page everything OK.

So the blank page comes immediately after when I add a product to the cart. I looking for the error for 1 day, but dont found. Any idea?? Or need more description?

Thanks a lot

Ahh not solved. (I removed the last message because that was incorrect)

Can you do a screenshot of your checkout options in the configuration and a link to a product page so that we can see the result ?

1. powersearchireland.com/shop/
2. login with this: name=teszt, pwd=teszt
3. go to shop, add the first item to cart and go to cart. Its working
4. click to one category on the left, and add a product again, and go to cart again. Its will not working.

Thanks a lot!

I'm not sure. We don't have that issue on our end and it seems that you did quite a bit of customization (nice work by the way!) so it might be related to that and in that case I wouldn't be able to help much not knowing what you did.

One thing that might or might not help is to try to turn on the auto submit option of the checkout tab. Other than that, you could try to deactivate the modifications you did, and as a last resort try to change your checkout workflow.

The problem was what I recently thought but I searched the problem on wrong place.

Anyway, I get the blank screen because first step is the login but I'm already logged in. The program go to the first step, but It's empty.
So I checked whether or not the user is logged in, and If its true I go to the next step.