3445454 - Name of supplier blank in APP purchase requisition items by account assignment

When users run the APP 'purchase requisition items by account assignment' in the worklist displayed the field 'Name of Supplier' sometimes shows a blank value. 

SAP S/4Hana Cloud 

1. Open the APP 'Purchase Requisition items by Account Assignment'
2. Enter some filter criteria and press 'Go'
3. In the settings choose the field 'Name of Supplier' 
4. The Name of the Supplier is empty 

Standard system behaviour. 
The data is retrieved from the CDS view C_PURREQITEMACCTMNTR. The 'name of supplier' field is associated with the desired supplier in the purchase requisition. If the desired supplier is not filled in the purchase requisition then the 'name of supplier' will not be filled in the worklist of the 'Purchase Requisition items by Account Assignment' APP.   

Where required maintain a desired supplier in the purchase requisition 

CL_MM_PUR_PRITEMACCT_M_DPC, C_PURREQITEMACCTMNTR, I_SUPPLIER, MM_PUR_PRITEMACCT_MNTR_SRV, F2422, eban-lifnr , KBA , MM-FIO-PUR-REQ-SOC , Fiori UI for Sourcing Purchase Requisitions , How To