Watts out put

Hi since zwift did an upgrade my watts output is all wrong. When I go to pair screen watts looks ok. Say its reading 65 watts as soon as it goes to mail screen watts are up around 300. Was pushing our 1300 at one point with very little effort. Nothing has change apart form upgrade on laptop. Using ant

re-calibrate ur trainer

If you’re on a dumb trainer with a speed sensor, then go to this thread - March 2021 Update issues