PDR1046S
Invalid value for <MGRID> across or down parameter value.
What happened: You specified a non-numeric value for the Mup group <MGRID> tag across or down parameter. The invalid value is given.
What to do: Specify the number of logical pages that fit horizontally on the physical page for the across parameter. Specify the number of logical pages that fit vertically on the physical page for the down parameter.