The article here: http://www.plasticscm.com/infocenter/technical-articles/kb-automating-reports.aspx says it applies to Plastic SCM 2.5+, however cm fco --all is not a valid command in Plastic SCM 5.0. --all is an invalid parameter.
Document removed. It was too old :-S
You're right. We'll get rid of this and get it updated it. Thanks.