Yes, my issue is fixed.  I switched from "checkout.com" to "strip" and the problem went away!

Hi, if your problem is resolved, can you please let me know how you fixed it because I am also using Stripe and getting the same error!  thank you.

Hi.  I am new to Shopify and have bulit a basic shop but run into error 401 when I tested to buy a product from my shop.  I have the basic plan that am charged $1 for the first three months.  And I have selected checkout.com as my a merchant to handl...