I recorded a yoga session using my garmin watch. Garmin also pushes my activities to Strava. Intervals is connected to both my garmin and Strava.
Usually this is not a problem (ex bike, run and ski activities appear only once in intervals), but I verified 2 yoga activities and both imported twice on intervals.
I’ve had the same issue (Yoga activities duplicated). Like above, the Strava version of the activity had a speed of 0 and a distance of 0. Here are two from today: