Minecraft gives me an authentication denied error?

Concerning a charge debit card, when i devote all my info in addition to click acquire it loads or what ever then shoots back along with Transaction mistake:authentication waived…i googled this and individuals had the matter, but every one of the posts have been like 5-8 months old in addition to i by no means saw almost any resolution to the problem…anyone really know what i can do

I would suggest getting in touch with them made by this email correct
http://www.minecraft.com.au/contact.htm as well as explaining the matter.