Can't access WTXF FOX 5 from Philadelphia via Stream

Haven't been able to get WTXF FOX 5 channel via Xfinity Stream for the past 3 weeks.  Restarted FireStick, Restarted Xfinity internet router. Still no luck. Error message says "Due to programming restrictions, this show is currently unavailable on this device. Please tune in on your TV, or check back for other programing later"