SAP Message AH786 - Billing document &1 not indicated as reversed for adjustment

Diagnosis
In the billing order for installation &v2& (scheduled billing date &v3&and billing transaction &v4&), billing document &v1& is marked ashaving been reversed for adjustment in the Doc.no. in adj. rev.field.
However, the SPCANC indicator is not set for billing documentV1 in the erchc table. this represents an inconsistency.

System Response

Procedure
INCLUDE ISU_SAP OBJECT DOKU ID TX