SAP Message 6D369 - Object cannot be deleted - cash flow already exists

Diagnosis
The cash flow was already generated.

System Response
The system does not delete the selected object row.

Procedure
Deleting objects at this stage of the contract can lead to postingdifferences between the customer and vendor.
End the object assignment by setting an end date.

Procedure for System Administration
INCLUDE 'CUSTOMIZED_MESSAGE_INFO' OBJECT DOKU ID TX