IglooFTP - Error retrieving data socket
 

I tried to connect to my server ftp.skavt.net with IglooFTP Pro, but after I am logged in I get response Error retrieving data socket Transfer aborded.
LOCAL DBG : Unable to retrieve directory listing.
LOCAL DBG : Unable to send command to host.
LOCAL DBG : Command failed : NOOP

Please help me!
Thanks in advance!
Yours, Grega