Diagnosis
Period unit setting in product configuration conflicts with the periodunit of existing account. For example, an account was created with termperiod unit "day", then a change of product configuration disables andhides the unit "day". When the old account is re-opened with thecontradicting product configuration, such error occurs.

System Response
Program stops. User must correct the product configuration to open theaccount.

Procedure
Run IMG BCA -> master data -> product definition -> product -> Changeproduct (transaction FIPRD2), under account data -> time deposit data-> time deposit term, set both period unit radio buttons to optional,no default. Then re-open the account.