P: Issues syncing videos with Lightroom Classic CC and Mobile

Video syncing is inconsistent.  Some videos are only showing up only in LR iOS Mobile while others only show up in Light room Classic CC.

• Lightroom Classic CC v 7.4
• Lightroom iOS Mobile v. 3.3.0.7E41A6  (running on ios v 11.4) issues reported are seen on an ipad and iphone 6 - identical results
• Windows 10 PC
•  

• LR iOS  Mobile  shows 263 photos in the All synced photos, which include 9 videos.
• LR Classic CC shows 254 photos in the All synced photos and does not show the 9 videos.
• LR Cloud shows 263 - (254 photo and 9 videos).

• the 9 videos have auto imported into my collection and into the LT Classic CC catalog and now do reside in my windows 10 PC HDD

• three of the videos were removed from the synced collection  They are no longer in the Classic CC all synced count,  but continued to exist in the iOS all synced and can be viewed in iOS mobile
• 6 are new from yesterday and show in the collection, tha iOS all synced, but do not how in the Classic CC all synced

Seems like there is an inconsistency with video between the versions of LR and between what is reported in the various collections

FYI - i use an "Auto Add" collection (iOS Inbox) to auto added photos and videos from the iOS camera roll.  The photos are "auto imported" into dated folders in my desktop catalog.  Seems like the videos are importing  correctly although it did seem to fail on 2 - 1GB video files earlier int he week.  

I have been very happy with this method of getting photos from my iPhone to my LR Desktop, but am now nervous and double check everything before i delete my originals from my iphone's camera roll.