CAUSE&
You want to forward schedule a WBS element, although a basic start datehas not been entered in either the projection definition, WBS elementor network header for the relevant activities.
Network scheduling:
You want to network schedule a WBS element forwards, although a basicstart date has not been enterd in the corresponding network headers.

System Response
The WBS element is not scheduled.

Procedure
Enter a basic start date in at least one of the objects mentionedabove.
Network scheduling:
Enter a basic start date in at least one network header.