Diagnosis
You want to create a rental agreement with a cash deposit.
No flow types for flow category &V1&, however, have been created in thesystem.

System Response
You cannot use a cash deposit.

Procedure
Define the flow types for calculating the interest and compoundinterest.
Flow type for calculating the interest:
Flow category TZ
Flow category TZ
Flow type for calculating the compound interest:
Flow category TC
Flow category ZV