Solution : https://service.sap.com/sap/support/notes/490856 (SAP Service marketplace login required)
Key words :
process industries -> master data -> recipe management -> formula -> determine allowed specification types, reference type i_cmpcat type frmle_cmpstcat optional optional, ingredientsthe specification types, screen areas 'output substances', reference type i_level, frmlc11-frml_level optional, frmlc11-frml_view optional, recipe management, recipe formula i_view, specification category formula
Related Notes :
745853 | Input check/input help for substances in the formula |