3458713 - Supplier is blank in app 'My Inbox-All items"

Users find that sometimes in App 'My Inbox-All items" the Supplier field shows as blank in the approval task for Purchase orders. 

S/4 HANA Cloud

1. Go to the 'My Inbox' APP
2. Filter by task Purchase Orders
3. Select a Purchase Order of type UD and in the details view the 'Supplier' field is filled 
4. Select another Purchase Order of type UB and in the details view the 'Supplier' field is blank

When dealing with an intra company stock transfer order the system will only fill the supplier in the header of the Purchase Order, if a supplier is assigned to the supplying plant and the field 'Trfr Vdr' Stock Transfer: Take Supplier Data into Account (T161-UMLIF) is set for the document type 

See F1 help for the field 
Stock Transfer: Take Supplier Data into Account

You set the indicator. If a stock transport order or scheduling agreement is then created and a supplier is assigned to the supplying plant, the system

• adopts the data from the supplier master record (e.g. the currency, price determination indicator) and the info record (e.g. planned delivery time, order unit), and
• updates the statistics of the Logistics Information System with the supplier data.

Standard system behavior. 

In the standard delivered content for Purchase order document types, UD is delivered with the 'Trfr Vdr' flag set and it is not set for document type UB.

UMLIF, T161-UMLIF, bsakz-tran, EKKO-RESWK, LMEPOF00, MEPO_HEADER_FILL_LIFNR_RESWK ,S4HC, S4_1C, X4BC, S4_PC , KBA , MM-PUR-PO , Purchase Orders , Problem