ntopng not working

[gusto]

Today I updated from pfsense 2.0.6 to 2.0.7 and also installed NTOPNG

Nov 14 08:57:51	ntopng	92155	[Redis.cpp:93] ERROR: Connection error [Connection refused]
Nov 14 08:57:52	ntopng	92155	[Redis.cpp:93] ERROR: Connection error [Connection refused]
Nov 14 08:57:53	ntopng	92155	[Redis.cpp:93] ERROR: Connection error [Connection refused]
Nov 14 08:57:54	ntopng	92155	[Redis.cpp:142] ERROR: ntopng requires redis server to be up and running
Nov 14 08:57:54	ntopng	92155	[Redis.cpp:143] ERROR: Please start it and try again or use -r
Nov 14 08:57:54	ntopng	92155	[Redis.cpp:144] ERROR: to specify a redis server other than the default

Do I still need to set up redis? How can I set it up?