I've been having this trouble as well, since around Dec 9 or 10, although the search features appear to be back in order this morning.
I was told by RCI web support that the problem affects all Vacation Village resorts owners. If that's correct, then the following owners are (were) affected...
FLORIDA
Bonaventure Weston, Fort Lauderdale, FL
Mizner Place at Weston Town Center, Weston, FL
Palm Beach Shores Resort, Palm Beach Shores, FL
Vacation Village at Parkway, Orlando, FL
MASSACHUSETTS
The Berkshires, Hancock, MA
Patriot Suites Hotel , Pittsfield, MA
NEVADA
The Cliffs at Peace Canyon, Las Vegas, NV
The Grandview at Las Vegas, Las Vegas, NV
VIRGINIA
Massanutten Resort, McGaheysville, VA
Williamsburg Plantation, Williamsburg, VA