Stick Up Wired - no Snapshot Capture

Anyone else have this issue? Got a new Stick Up Cam (plug in) installed this week, but cannot get Snapshot Capture working. I tried reinstalling the app, deleting and adding the camera, toggling various app settings, etc. I can activate the feature in the app, but every Snapshot in the timeline just says, "This footage is unavailable." I also have a Ring Doorbell 2 which works perfectly with Snapshot Capture. Both devices are equal distance from my router and show good signal strength in the "Device Health" tab and in my router's app. Contacted Support who ran me through the various steps I'd already tried for 30 min before telling me the feature wasn't ready yet for my device. The rep honestly didn't seem to know much about the Snapshot Capture feature or the Stick Up Cam itself, so not sure if this was accurate info.