500 Error: could not load data

[EmreSURK]

Thanks for this beautiful package.
I can not login the system.
When i try to login with my user, i m getting "could not load data" .
Am i doing something wrong?
Thanks.

at done (/root/node_modules/node-uforever/node_modules/jfs/lib/Store.js:166:13)
at /root/node_modules/node-uforever/node_modules/jfs/lib/Store.js:62:16
at fs.js:334:14
at FSReqWrap.oncomplete (fs.js:95:15)

Ubuntu 14, nginx, digitalocean.