Error Codes

    00 = An unexpected error occured.
    01 = Missing or invalid arguments.
    02 = Invalid auctioneer id and/or access key.
    03 = Could not find specified auction.
    04 = Could not find specified item.
    05 = Could not find specified bidder.
    07 = Specified username is already used by another bidder.
    08 = An error occured while processing the XML data.
    09 = Could not find specified invoice.