When I try purchasing L$ An error comes up saying I need to go to support and that it is " Temporary

[ZeroIchigo]

I purchased a disposable credit card from Walmart and just tried buying linden, it says there is a "Temporary " Error and to go to Second Life Support, I need help asap.

[Rolig Loon]

There's an easy answer for that one ....

Issues with prepaid and gift cards

A common cause of payment method failure is the use of unsupported card types. At this time, the majority of prepaid cards are not compatible with our system, even if they bear the VISA/AMEX/Mastercard logo. This includes cards purchased at retail stores, rechargeable credit cards, and bank-issued check cards.

[Lindal Kidd]

Linden Lab won't accept it...it's more than a "temporary" error.  However, you can use your card to buy $L from some of the authorized $L resellers.  See here for the list: http://wiki.secondlife.com/wiki/Linden_Lab_Official:Linden_Dollar_%28L$%29_Authorized_Reseller_Program