Thanks for all the help, the fault was a mismatch between the data definitions names and the CDEF line, and this caused it to report a rpn error
Cheers for the help -- Paul Watson # Oninit Ltd # You are only young once Tel: +44 1436 672201 # but you can be immature Fax: +44 1436 678693 # for ever www.oninit.com # -- Unsubscribe mailto:[EMAIL PROTECTED] Help mailto:[EMAIL PROTECTED] Archive http://www.ee.ethz.ch/~slist/rrd-users WebAdmin http://www.ee.ethz.ch/~slist/lsg2.cgi
