Of course I'm on a tight deadline when I run into this. I had two different recorded formats on the same SD and attempted to transfer the SD card via NEXTO. This is a huge no, no because NEXTO could not built the indexes after it was finished copying. I finally went in a deleted on the SD card the footage from the previous job recorded in a different format. With just one recording format to deal with NEXTO was able to do it's thing but not before taking several years off what is left of my life