Error Code 404 "File not found: undefined"

[smithad150]

I don't see any folder created in my Google Drive to suggest a sync folder was created. Not sure what happened.

Originally, before coming across this plugin, I stored by obsidian vault on the drive directly, and would access it from multiple devices by open that vault directly in Obsidian. Ran into some issues with that, and uncovered this great plug-in. Set it up on my Mac on an empty vault stored locally, and sync said it was set correctly. Loaded in my old vault files, and it said sync was good. Then went to my Android tablet, same setup - same named vault stored locally, setup the plugin, manually copied the existing vault data from the local storage on the mac so it matched before syncing, and when I ran the sync, it noted no error. Now when I edit on either end and try to sync, I get the attached error message. Can someone give me some advice on my mistake?