Datafile.com plugin's not working

FRD version - 0.9u4
Plugin version - 1.0.6
Error message - No string between 'link":"' and '"' was found
Download link - Here
Log - Here

I'm using FRD on Debian Linux (Wheezy) with Oracle Java v. 1.8.0_25-b17. I think I provided everything needed, if not, feel free to ask me.

P.S. Můžete i česky :)