SAP Message UCFE014 - Define a key figure in the data entry layout

Diagnosis
No key figure has been defined in the current data entry layout.
You should define a key figure in either the row structure or the columnstructure.

System Response
The data entry layout cannot be saved.

Procedure
Define a key figure (in local, group, or transaction currency) in eitherthe row structure or the column structure of the data entry layout.