SAP Message USMD2015 - Assign a Web Dynpro component to UI element &1 (entity type &2)

Diagnosis You have selected Custom Web Dynpro Component as the UI elementtype for UI element &V1& (entity type &V2&), but you have not assigned aWeb Dynpro component. Procedure Switch to the Custom Web Dynpro Component subdialog and enter aWeb Dynpro component and an interface view.