Dear ChrisD24,

I am having the same problem and after making the change as yo mentioned i still have the problem can you please post the code here so i can see if i am doing everything correct:

PHP Code:
// stock by attributes     
                if ( STOCK_CHECK == 'true' ) {

                        // Added to allow individual stock of different attributes
                        unset($attributes);
                        if(is_array($products[$i]['attributes'])){
                                $attributes = $products[$i]['attributes'];
                        } else {      
                                $attributes = '';
                        }

                        $stock_check = zen_check_stock($products[$i]['id'], $products[$i]['quantity'],$attributes);
                        if (zen_not_null($stock_check))
                        $flagStockCheck = NULL; 
                        {
                                $flagAnyOutOfStock = true;
                                $flagStockCheck = $stock_check;
                          $stockAvailable = zen_get_products_stock($products[$i]['id'], $attributes);           
                        }

                }

    // end stock by attributes 
this is wat i have and mine still shows out of stock error for item B if Item A is out of stock.

Thank you