Error message after confirm order

-- HikaShop version -- : 5.0.3
-- Joomla version -- : 4.4.3
-- PHP version -- : 8.1
-- Browser(s) name and version -- : Microsoft Edge Version: 122.0.2365.66
-- Error-message(debug-mod must be tuned on) -- : 0 Class “JRequest” not found


--URL of page with the problem --: thongphairoj.shop/goldonline/products-listing/checkout/confirm
Username and password for logging in to shop
--Username--:Superman
--Password--:Superman2024
--HikaShop Business version --: 5.0.3
--Joomla version --: 4.4.3
--PHP version --: 8.1
--Browser(s) name and version --: Microsoft Edge Version: 122.0.2365.66

Hi : I have got the following error message after confirming order.
--Error-message:
0 Class “JRequest” not found