jbrofuzz works but I also what to be able to do this with nikto

How do I set up the user_scan_database.db just to put the accunt names in
there do not seems to work

nikto -dbcheck
Syntax (/usr/share/nikto/plugins/user_scan_database.db)
0 entries

The output of nikto -h 127.0.0.1 -mutate 3 is still not finished.