I had the same issue, it seems for me at least that MyFitnessPal was overwriting my Index data, I disconnected MFP and now all Index data (from date of disconnection) is saved.
I raised a ticket for this today i am not seeing any metrics other than weight in GC web interestingly I see them in the my day tile in the GCM app but not on the weight page in app i have seen some other threads suggesting MFP disconnect but that then screws up calorie tracking I have used GCM with MFP connection and scales for a year or so now and the issue has only started since late October perhaps it is a GCM app update with the new IOS with a bug or perhaps MFP bug but it has worked for a long time and sure the problem will be found hopefully sooner rather than later
I weigh in on my Garmin Index every morning. If I check Garmin Connect shortly thereafter, it shows all six measurements - weight, body fat, BMI, % water, Muscle Mass, and Bone Mass. Then sometime during the day, all the measurements disappear except for Weight. I have checked Garmin Connect on my PC, Android Phone, and IPad and its the same on all of the, the reset of the measurements are gone.
Perhaps I will try disconnect MFP and see if that fixes it.
I disengaged from iphone, MFP and heart for garmin. Until 15:30 there were all metrics of the day 28 Metrics from 23 to 27 had already disappeared yesterday Now at 21:00 all deleted.
there is something weird. In the "my day" page the information on weight, muscle mass, fat ... is visible. the data disappears inside the page. what can it be? today is December 9th
