I Have litle problem with combinations, when I using this method with webservice.
Everything working ok, but after update product attribute, all customers who doing shopping in shop lost this product from their carts.
After updating product via combinations, method combinations from webserwice delete this product from carts customer who now doing shopping.
How I can disable this option or how I can update product combination price via webservice, and clients not lost this product from theirs carts.