Ошибка при входе в корзину " ps_shipping_method.php on line 242 " - [VM1] Общие вопросы и ошибки

	/**************************************************************************
	** name: get_weight_LB()
	** created by: Matt Oberpriller
	** modified by: Soeren
	** description: Calculate product weight in Pounds
	** parameters: product_id
	** returns: weight in LB / PO
	***************************************************************************/
	function get_weight_LB( $pid ) {
		global $vars, $vmLogger;
		$ps_vendor_id = $_SESSION["ps_vendor_id"];
		$db = new ps_DB;

		$q  = "SELECT product_sku,product_parent_id,product_weight,product_weight_uom FROM #__{vm}_product ";
		$q .= "WHERE product_id='$pid' ";

		$db->query($q);
		$db->next_record();

		if ($db->f("product_weight") == 0 && $db->f("product_parent_id")) {
			$q = "SELECT * from #__{vm}_product WHERE product_id='".$db->f("product_parent_id")."'";
			$db->query($q);
			$db->next_record();
		}

		if ($db->f("product_weight") > 0) {
242 строка ->>		if (eregi("LB",$db->f("product_weight_uom")) || eregi("PO",$db->f("product_weight_uom"))) {
				$weight = $db->f("product_weight");
			}
			elseif (eregi("KG",$db->f("product_weight_uom")) || eregi("KILO",$db->f("product_weight_uom"))) {
				$weight = $db->f("product_weight") * 2.20459;
			}
			elseif (eregi("G",$db->f("product_weight_uom"))) {
				$weight = $db->f("product_weight") * 0.00220459;
			}
			elseif (eregi("OZ",$db->f("product_weight_uom")) || eregi("OU",$db->f("product_weight_uom"))) {
				$weight = $db->f("product_weight") * 0.0625;
			}
			else {
				$vmLogger->debug( "Unknown weight UOM in product " . $db->f("product_sku"));
			}
		} 
		else {
			$vmLogger->debug( "Weight not specified for product " . $db->f("product_sku"));
		}

		if (!empty($weight)) {
			return($weight);
		}
		else {
			return 0;
		}
	}
}