Corrupted DNG files

Hey,
I had a short film shooting few days ago and now I discovered that some of my RAW Black Magic Camera files are corrupted. I tried to open these in DaVinci and Photoshop but no luck Can anyone had same problem, or is there some advises for me. Thank you!

Here is a corrupted DNG file:
speedy.sh/3bpHu/Blackmagic-Cinema-Camera-1-2013-11-21-0827-C0008-000093.dng

Well, I know iís a time ago, but did you manage to repair your files? Im anow at the dame situation.