Why doesn't a resource have an availability score?

Any of the following circumstances causes a resource to have no Available Capacity score.

• Project resource request dates are outside of the project or resource calendar effective dates.

• Number of working days on the project or resource calendar is zero.

• Project or resource calendar was deleted from the application or is no longer available.

• Project or resource calendar is complex. For example, the calendar doesn't contain seven days, or it contains more than one pattern and shift.