Had the exact same issue, mover had not picked up several files and my cache was filling up. There were no errors in the logs even after turning them on for Mover, it just acted like it couldn't see the files at all (I assume because it didn't know where they should go as the .cfg was named wrong).
I stopped the array
Edited the .cfg in \flash\config\shares to a temporary name (i.e. Sharex)
Edited the .cfg again to it's proper name (i.e. Share)
Started the array
Force ran Mover and it picked everything up as expected.
For those of us that troubleshot through this, don't forget to turn mover's logging back off if you enabled it or it will fill up your logs if you have a lot of files that transfer.