Wahoo RPM Speed and Cadence Sensor not working

I have a dumb trainer, wahoo speed and cadence sensors, and use an iPad. It worked for over a year and last week I started having connection issues. Sometimes they pair but will not read. Sensors light up and connect to wahoo app, so I don’t think it’s the battery. All apps have been closed in the background. I do not connect the wahoo sensors with another device. Any advice to get back to zwifting?

Same issue for me but I’m on Android (Note 9) so I thought it was an android beta issue. Sometimes I get one but not the other, sometimes neither, sometimes cadence shows on companion app but not game app. And sometimes they both work but then one stops halfway through the training workout. That last one is a major bummer.