It's probably related to your first effort. Companion probably set up the folders then couldn't import into them. You may need to use a file manager to edit [remove] the files on the tablet if it is causing a problem. I think you'll find them in the [storage location] zubersoft.mspro >files folder. [Or something like that.]
Dell Latitude 13.5" 2-in-1 Ubuntu/Win 11
Samsung Note Pro SM-P900 12.2 Android 5.0.2
Samsung S7+, Android 12
Samsung Note Pro SM-P900 12.2 Android 5.0.2
Samsung S7+, Android 12