nodebb setup redis database other than 0 ?

[eva2000]

If i try to setup nodebb with redis and database = 3 get error. If i accept defaults, it's fine ? v0.7.2 nodebb on CentOS + Centmin Mod LEMP web stack

./nodebb setup
1/8 09:54 [5887] - info: NodeBB Setup Triggered via Command Line

Welcome to NodeBB!

This looks like a new installation, so you'll have to answer a few questions about your environment before we can proceed.
Press enter to accept the default setting (shown in brackets).
URL used to access this NodeBB (http://localhost:4567) 
Please enter a NodeBB secret (b8f9e5ef-711b-4c94-a9a3-debb7ea40947) 
Which database to use (redis) 3

1/8 09:54 [5887] - info: Now configuring 3 database:
1/8 09:54 [5887] - warn: NodeBB Setup Aborted.
 Error: unknown database : 3
    at success (/home/nginx/domains/newdomain.com/public/nodebb/install/databases.js:67:19)
    at /home/nginx/domains/newdomain.com/public/nodebb/install/databases.js:93:4
    at fn (/home/nginx/domains/newdomain.com/public/nodebb/node_modules/async/lib/async.js:638:34)
    at Immediate._onImmediate (/home/nginx/domains/newdomain.com/public/nodebb/node_modules/async/lib/async.js:554:34)
    at processImmediate [as _immediateCallback] (timers.js:367:17)

[eva2000]

never mind been a while since i installed nodedbb, that prompt was for database = redis not the redis db number which came later on

./nodebb setup
1/8 09:58 [5915] - info: NodeBB Setup Triggered via Command Line

Welcome to NodeBB!

This looks like a new installation, so you'll have to answer a few questions about your environment before we can proceed.
Press enter to accept the default setting (shown in brackets).
URL used to access this NodeBB (http://localhost:4567) 
Please enter a NodeBB secret (09df113d-0255-48b7-8e21-c2d0eba3be54) 
Which database to use (redis) 

1/8 09:58 [5915] - info: Now configuring redis database:
Host IP or address of your Redis instance (127.0.0.1) 
Host port of your Redis instance (6379) 
Password of your Redis database 
Which database to use (0..n) (0) 3
Configuration Saved OK
[email protected] node_modules/redis

[email protected] node_modules/connect-redis
└── [email protected] ([email protected])
Populating database with default configs, if not already set...
Enabling default theme: Persona
No categories found, populating instance with default categories
1/8 09:59 [5915] - warn: No administrators have been detected, running initial user setup