SAP Message AJ669 - Adjust. reversal not executed for billing document &1 (start document &2)

Diagnosis
You want to remove billing document number &V2& from a billing order intransaction EA24.
The system has determined that billing documet &V2& is involved in achain of adjustment reversals.
Billing document &V1& also belongs to this chain.
This document has inconsistent ERCHC data. An entry is missing in tableERCHC that marks the document as reversed for adjustment.
INCLUDE ISU_SAP OBJECT DOKU ID TX