Cannot start Netflow

Cannot start Netflow

Hello all,

please help me to resolve this problem, i cannot start netflow analyzer on my CentOS 6.4

The problem shown like that:

First time service startup takes longer time than  usual
Server is starting. This may take a couple of minutes ...
This evaluation copy is valid for 29 days
Unclean shutdown of previous run.
Failed to start the server. Please refer logs for more details

I want to attached also NFA_log files, but i dont know, how attached.

Thanks