SAP Message /ISDFPS/FDP330 - End date for the assignment to "&1" (&2) must be before &3

Diagnosis
The end date of the selected assignment to a contingent must not beafter a specific date. This value is equal to the minimumof theend date of the relevant operation/exercise contingent, end date ofthe corresponding operation/exercise contingent relationship of thehigher-
level force element, and the end date of the force element to beassigned.

System Response
You are not allowed to create an assignment with an end date that isafter the maximum end date described.

Procedure
Select an end date that is before or the same as themaximum end date permitted.