Message SAP WSD_MESSAGE213 - You cannot select Change Retail Mat. by Core Master Data for Standard Mat

Diagnosis
Retail articles cannot be modified with core master data maintenanceusing the current configuration.

System Response
You cannot create retail articles using core master data maintenancewhen the Material Creation parameter is set to StandardMaterial.

Procedure
Set the parameter to Retail Material in Customizing by choosingMaterials Management -> General Settings for Materials Management ->Enhanced Material Search -> Configure and Activate Enhanced MaterialSearch with Creation.