'Tyre slippage' since latest update

I use a Tacx Booster with speed and cadence sensors and a windows laptop connected to a screen. All has been well for several years but since the latest update i now constantly see the erro message ’ Tyre slippage detected, please fix before continuing’. I have checked tyre presures, replaced batteries, deleted and reloaded zwift on the laptop but i’m still getting the same message. There is no calibration of the trainer required, it worked fine one day and then as soon as the update was complete i now get the error message continuously. Any ideas anyone ??

For me this has happened in rides the last 2 days after 5+ years and over 20,000 miles of riding on Zwift. I’m using a CycloOps fluid trainer. For me this came after installing an update on Friday.