WorkFlow problems

hi all,

I try to add a workflow functionality to my RT, i followed the steps shown
in this url http://rt.bestpractical.com/view/WorkFlow,

In this steps : /opt/rt3/sbin/rt-setup-database --action insert \ --datafile
/opt/rt3/local/etc/FieldRequired.install

i get this wanning:

[warning]: Use of uninitialized value $args{“datadir”} in concatenation (.)
or string at /opt/rt3/sbin/rt-setup-database line 253, line 1.
(/opt/rt3/sbin/rt-setup-database:253)
Couldn’t finish ‘insert’ step.

and this error:

ERROR: Couldn’t load data from ‘/content’ for import:

ERROR:Can’t locate /content in @INC (@INC contains:
/opt/rt3/sbin/…/local/lib
/opt/rt3/local/plugins/RT-Extension-ActivityReports/lib /opt/rt3/sbin/…/lib
/etc/perl /usr/local/lib/perl/5.10.0 /usr/local/share/perl/5.10.0
/usr/lib/perl5 /usr/share/perl5 /usr/lib/perl/5.10 /usr/share/perl/5.10
/usr/local/lib/site_perl .) at /opt/rt3/sbin/…/lib/RT/Handle.pm line 697,
line 1.

Please can you tell me how i can resolve this problem.