Diagnosis
All attributes that are used within the same table for the lower-levelUI elements of UI elements with the type Table Column orTable Column with Key Field must have the same higher-levelentity types. The higher-level entity types of the attributes of UIelement &V1& and UI element &V2& are different, however.
INCLUDE CHANGES_CANNOT_BE_SAVED OBJECT DOKU ID TX

Procedure
Change the attribute of UI element &V1& or &V2& to create a table.