My account went crazy once years ago at Millennium. Went from about $800 to like $14,000. The strange thing is that it happened while I was playing a little blackjack in their casino. When I returuned to the sports menu, that's when the drastic change occurred. Later on that night, they fixed the errors that happened to many customers, but they took away more than they should have! Called them and worked it out with them though........