Diagnosis
An area is assigned to every rental unit which is defined via the usagetype and area unit. In this case, the data necessary for determiningthe area could not be found.

System Response
Processing is continued. This could lead to subsequent errors in thefunctions which require the value of the area.

Procedure
You have to maintain the tables which are relevant to the area. Errornumber 1: VIOB02;
Error number 2: TIV01;
Error number 3: VIOB40/VIOB41;
Error number 5: VIMI01.