Why Does 1705 Rugby Circle Have a New MLS #?

"New Listing" TodayMLS #455062 1705 Rugby Circle $695,000.000Old MLS #4480101705 Rugby Circle is part of the Fire Sale on Rugby Road. There's no price change. And 1705 Rugby Circle has been on the market for how long? Why does 1705 Rugby Circle have a new MLS # today?