Diagnosis
You want to undo the adjustment reversal for customer/contract changefor document number &V1&.
V1 is supposed to be the new billing of the original document thatunderwent an adjustment reversal.
However, this original document is missing here. In other words, fieldERCH-SC_BELNR_H in document &V1& is not filled.
This may be caused by one of the following:

• The invoicing of the original document was reversed.


• The original document number was removed via transaction EA24 (remove
special reversal from billing doc.) in the billing order and then a newbilling was carried out.

Procedure
You cannot directly undo the adjustment reversal for acustomer/contract change.
Check the existing data.
Undo actions separately, as necessary.