My heart rate is not being completely recorded during some outdoor runs like it should be... anyone else has this issue/knows how to fix it? In several of my runs lately, for Heart Rate data it says “chart not available”. I then go in Health and look at “show all data”...and there will be a large gap where no data was recorded (during a workout, the watch obviously is supposed to be recording it somewhat continuously). Sometimes it will start recording it, then just stop recording for 15-30 minutes, then start again. Sometimes it won’t record anything until 15 minutes into the run. Does anyone know how to fix this? My watch is not in power save mode, neither is the workout app in power saving mode.