Diagnosis
You have entered a date that is outside the contract validity periodV1 to v2.

System Response
The system will accept your entry if you press ENTER, but note thatonly the adjustment dates between &v1& and &v2& will be considered forthe rent adjustment. If you want the adjustment dates to be valid forthe whole rental period, leave the date empty.

Procedure
Either change the date as necessary or confirm the warning by pressingENTER.