PayPal Std Error Detected

After we submit the order:


opens and we get an Erroe Detected

" Your shopping cart is empty "

I have hunted hi and low and tried many different combos with no joy.

Besides using paypal because there are no cost only 3% on sale, is there an alternitive to paypal ?

I had the same problem that appeared last week. I contact my host provider and told me that they recently migrated to php 5.4. When I changed my php version to 5.3 the paypal processor works perfectly. We have CS cart version 1.3.5