[Was one month i get the error "We were unable to make changes to the current invoice."]

I type the e-mail correct and try alot of times, including using another emails, but receive this:

 

This is an automatically generated Delivery Status Notification.

 

Delivery to the following recipients failed.

 

support@payments.secondlife.com

 

Well, one question. Linden dont accept brazilian credit cards? In Billing support dont have Brazil in payment methods with American Express, or with others cards.

[Was one month i get the error "We were unable to make changes to the current invoice."]

The problem is: Was one month when i try to buy Lindens and get this error "We were unable to make changes to the current invoice." and sometimes "The payment method is invalid".
I use American Express and sure that have credit in this because can buy things in other sites. I once bought Lindens using the same credit card, and it worked.
Do not understand why out of nowhere started giving this error.
I tried to buy in another account / computer, and did not work.
I cannot call to billing support because i dont speak english. I have send a ticket, but got no answer. Did not find any solution to this problem on the internet and the forum, all says to call to support, but its not possible to me.
I try to buy direct on viewer, but failed. (i have used Firestorm and official viewer, so failed in both.)

Anyone know if have a support e-mail? I have send one to support@payments.secondlife.com but i get a failed delivery message.
So i hope to solve this problem,i need the lindens with some urgency. :/
Thanks.

 

OMG, I DONT SPEAK ENGLISH! Stop saying to call to support, ITS IMPOSSIBLE TO ME! Support is english only, i dont speak english! -_-