Date &1 lies before beginning of factory calendar &2

&CAUSE
During delivery and transportation scheduling, whilst trying to
calculate a date, the system came across a date which lies before the
date on which the factory calendar &V2& begins. The date is &V1&.

System Response

Scheduling was terminated and all dates set to the starting date for
scheduling.

How to fix this error?

Check the definition of the factory calendar and the date. Make any
necessary corrections to the calendar and the date.

Error message extract from SAP system. Copyright SAP SE.