SAP Message USMD2005 - UI elem. &1, entity type &2: Specify a different higher-level UI element

Diagnosis
You want to assign UI element &V3& of UI element type View as theHigher UI Element to UI element &V1&. UI element &V3& already hasUI element &V4& assigned to it as the lower-level UI element. UI elementV4 either has the type attachments or custom web dynproComponent. No additional UI element can be displayed on a view thatcontains an attachment UI element or a Web Dynpro component.
INCLUDE CHANGES_CANNOT_BE_SAVED OBJECT DOKU ID TX

Procedure
Assign a different higher-level UI element to UI element &V1& of entitytype &V2&, or delete it.