Diagnosis
In the current rent adjustment procedure, the new rent is not derivedfrom other data (Index series, representative list of rents, etc.), butspecified directly. You can do this by entering an increase rate(relative, total or area-specific) or a new amount (total orarea-specific).

System Response
You have not filled one of these amount fields; the rent adjustmentcannot be carried out.

Procedure
Fill exactly one of the amount field and any possible unit fields.