SAP Message USMD2027 - Specified attribute cannot be used for UI element &1 (entity type &2)

Diagnosis
The attribute specified for the table cell has higher-level fields thatare part of the definition of entity type &V2&.
INCLUDE CHANGES_CANNOT_BE_SAVED OBJECT DOKU ID TX

Procedure
Enter an attribute for UI element &V1& with higher-level fields that arenot part of entity type &V2&.