mollie plugin not working anymore , urgent

-- url of the page with the problem -- : www.ubuntushop.biz
-- HikaShop version -- : 6.3.0
-- Joomla version -- : 5.4
-- PHP version -- : 8.4

If i select mollie for payment, mollie is not starting. You only get the page that the order is placed.

logs:
[2026-02-16T14:39:44+0000] Error executing API call (422: Unprocessable Entity): The 'amount' field is off. Expected to be €95.00 (sum of the line items), got €85.00. Documentation: docs.mollie.com/reference/handling-errors . Request body: {"amount":{"currency":"EUR","value":"85.00"},"method":null,"description":"Order-0188 Ubuntushop","redirectUrl":"https:\/\/www.ubuntushop.biz\/index.php?option=com_hikashop&ctrl=checkout&task=after_end&lang=nl&order_id=188&Itemid=123","cancelUrl":"https:\/\/www.ubuntushop.biz\/index.php?option=com_hikashop&ctrl=order&task=cancel_order&order_id=188&Itemid=123","webhookUrl":"https:\/\/www.ubuntushop.biz\/index.php?option=com_hikashop&ctrl=checkout&task=notify¬if_payment=mollie&tmpl=component&lang=nl","metadata":{"order_id":188},"lines":[{"description":"Ubuntu 24.04 Custom Usb Automatische installatie stick","quantity":1,"unitPrice":{"currency":"EUR","value":"85.00"},"totalAmount":{"currency":"EUR","value":"85.00"}},{"description":"Stick Transport: Stick transport Belgium","quantity":1,"unitPrice":{"currency":"EUR","value":"10.00"},"totalAmount":{"currency":"EUR","value":"10.00"}},{"description":"Keyboard Layout: qwerty-us int.","quantity":1,"unitPrice":{"currency":"EUR","value":"0.00"},"totalAmount":{"currency":"EUR","value":"0.00"}}],"billingAddress":{"email":"This email address is being protected from spambots. You need JavaScript enabled to view it."}}. Field: amount

yes, i have downloaded the plugin again, no solution. I have send the logs to the developer .