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AR# 18627

5.2i Modular Design - "ERROR:XdmHelpers:819 - Modular design: Initial mode must have at least one inactive module"

Description

Keywords: 6.1i, ISE, ngdbuild, -modular, active, black box, implement, top

Urgency: Standard

General Description:
When running modular design, the following error occurs when running ngdbuild -modular initial:

"ERROR:XdmHelpers:819 - Modular design: Initial mode must have at least one inactive module."

Solution

Check to make sure there is at least one black box in your top-level design that has an absent netlist.

Because this is Modular Design, NGDBuild is not expecting to find a fully linked design, but rather one or more unexpanded blocks (which are presumed to be inactive modules). The initial budgeting phase should be run with each module's netlist absent.
AR# 18627
Date Created 12/12/2003
Last Updated 01/19/2006
Status Archive
Type General Article