SAP Message 62308 - Enter complete date of building year & for represent. list of rents

Diagnosis
You have entered the construction year &v1& as a year number only. As abuilding age category begins or ends in this year in the relevantrepresentative list of rents &V2&, the construction year has to beentered as a complete date.

System Response
Your entry is not accepted.

Procedure
Please enter the construction year as a complete date with the day andthe month.