[Xymon] bbgen bug in option bb2colors ?

hello

I'm trying to add the options --bb2colors=red,purple in bbgen and I got the following message

Unknown option : --bb2colors=red,purple

What wrong ?

thx for your help

oau

my conf :

    ENVFILE /opt/hobbit/server/etc/hobbitserver.cfg
    NEEDS hobbitd
    GROUP generators
    CMD bbgen $BBGENOPTS \            
            --pageset=netsec \ 
            --template=netsec \ 
            --report=netsec \ 
            --bb2-ignorecolumns=mem,msgs,updates,reporting \
            --eventignore=mem \
            --no-doc-window \
            --docurl=/hobbit/admin/notes.php?host=%s
            $BBHOME/www/netsec/
    LOGFILE $BBSERVERLOGS/bb-display-netsec.log
    INTERVAL 1m