HikaAuction Payment error : An order containing that product already exists

-- HikaShop version -- : 4.4.1
-- HikaAuction version -- : 3.0.1
-- Joomla version -- : 3.9.25
-- PHP version -- : 7.4.12
-- Browser(s) name and version -- : Firefox Mac 78.7.1
-- Error-message(debug-mod must be tuned on) -- : HikaAuction Payment error : An order containing that product already exists

I am testing an auction. I have the Collect on Delivery payment option enabled. When a user (me) wins an auction, I click the link in the "you won" email notification.
First it asks to fill in an address, which I did. When I return to the Complete Your Order page ( cookiesandcanvas.ca/index.php?option=com...yment&product_id=458 ) and select my address and click "Proceed to checkout" I get the message "HikaAuction Payment error : An order containing that product already exists"
I checked the Orders page in the back end and there is nothing. What should I do?

Hello,

Thank you for your feedback we succeed to reproduce it and we'll try to fix it as soon as possible !

Also, in your case the best solution will probably be to :
- set the "Use hikashop checkout" to YES via "HikaAution->Configuration"
- configure your HikaAuction checkout workflow
- test it again

Kind regards,
Mohamed.

I did that and tried again using the same auction. It displays the same error.
Should I try it with a new auction?

Hello,

Of course, you should test it again with another auction to test it with the proper "complete your order" link sent to the winner email.

Kind regards,
Mohamed.

I think that is working now, thanks.