The empeg is complaining that the file doesn't exist. This is what I see in the serial debug window:

ls -lQ /drive1/fids/65c0 > /dev/usb
ls: "/drive1/fids/65c0": No such file or directory

The file in question exists on drive0, not on drive1. Perhaps there's something fishy in the code that decides which drive contains which files?

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Tony Fabris