SAP Note 13905 - OB42: Interest indicators not deleted

Symptom:

Key word: Interest indic. When you maintain the interest indicators in the configuration fo the dunning program, entries with a validity period of the form
" . .0000" cannot be deleted.

Cause and prerequisites

A validity period must be entered from Rel. 3.0 onwards. Old entries without a date cause error message SG102.

Solution
Use the following help program to delete the entries:

REPORT ZFT056Z .
TABLES: T056Z.

DELETE FROM T056Z WHERE DATAB = '99999999'.
IF SY-SUBRC = 0.
WRITE: 'deleted'.
ELSE.
WRITE: 'not found'.
ENDIF.