SAP Message WC117 - No material listed in interval & to &, or material cannot be sent

Diagnosis
The materials entered via direct request are not listed from &V1& toV2 or these materials have no ean references.

System Response
No IDOC for the material master was prepared.

Procedure
Correct the selection criteria in the material master of the directrequest or maintain listing or EAN references for thematerials in question (view: sales or basic data).