3257729 - No data in Customer Reference field in Manages Billing Documents app

Customer is adding the 'customer reference' field in Manage Billing Documents app, but after adding this field no data is shown.

S/4HANA Cloud 

1. Go to Manage Billing Documents app 
2. Click in 'go' and right after the invoice list appears > no customer reference data appear

Customer reference number is ruled by the copy control settings.

In order to make the Customer Reference field be populated, customer must to configure in Copy Control. 

1. Search for Copying Control for Billing Documents
2. Then click in your Target Billing type 
3. Go to 'details button' in the top left
4. In 'copy' field you can change the Customer Reference as 'A' since your desire is to show the customer reference in the invoice.  

Manage Billing Documents 

 102764, copy control, manage billing documents, VF03, billing documents, customer reference , KBA , SD-FIO-BIL , Fiori UIs for Billing , SBO-MM-PRL-SPP-UPP , Update Parent Item Prices Globally , Problem