Bonjour,
Dans le fichier "administrator/components/com_hikashop/classes/currency.php", remplacer:
						$discount->discount_value_without_tax = $discount->discount_percent_amount_calculated_without_tax = $discount->discount_percent_amount_calculated = ($price->price_value*floatval($discount->discount_percent_amount)/100.0);
						$discount->discount_percent_amount_calculated = 0.0;
						$discount->discount_percent_amount_calculated = $price->price_value_with_tax * $discount->discount_percent_amount_calculated_without_tax / $price->price_value_with_tax;
Par
						$discount->discount_value_without_tax = $discount->discount_percent_amount_calculated_without_tax = $discount->discount_percent_amount_calculated = ($price->price_value*floatval($discount->discount_percent_amount)/100.0);
						$discount->discount_percent_amount_calculated = 0.0;
						if($price->price_value_with_tax != 0.0)
							$discount->discount_percent_amount_calculated = $price->price_value_with_tax * $discount->discount_percent_amount_calculated_without_tax / $price->price_value_with_tax;
Dans le fichier "administrator/components/com_hikashop/classes/discount.php", remplacer:
				$total->prices[0]->price_value_with_tax = $totalnondiscount_with_tax;
				$total->prices[0]->price_value = $totalnondiscount;
				$currency->addCoupon($total,$coupon2);
Par
				$total->prices[0]->price_value_with_tax = $totalnondiscount_with_tax;
				$total->prices[0]->price_value = $totalnondiscount;
				$total->prices[0]->taxes = array();
				$currency->addCoupon($total,$coupon2);
Le problème du calcul du coupon a été corrigé par le précédent patch, ces modifications permettent d'éviter des erreurs de type "warning" mais n'affectant pas le résultat final.
Cordialement,