Diagnosis
In the billing order for installation &v1& (scheduled billing date &v2&
), billing document &v4& is marked as having been reversed foradjustment.
Billing document &v4& corresponds to invoicing document &v3&, which hasnot been reversed yet in invoicing.
In this case, billing document number &v4& in the billing order cannotbe deleted.

System Response

Procedure
To delete &v4&, you must first reverse invoicing document &v3&.