If this check box is selected, the segment schedules are updated before the assembly part requirements are calculated.
If this check box is cleared, the segment schedules are only updated if a change is detected that affects the segment schedules. However, not all changes can be detected automatically.
As a result, select this check box in the following cases:
- The line structure is changed.
- The plan period definition of the current scenario is changed, while the reference date is unchanged.