Solution : https://service.sap.com/sap/support/notes/649052 (SAP Service marketplace login required)
Key words : 
shift-f1       logapplication log expand, 'nutrient composition' tab page, select function group frml513, 'freely assigned function keys', pushbutton 'function active<->inactive', message 'errors occurred, call transaction se80, gui status frml103, application tool bar, function keys
Related Notes : 
       
| 631420 | RMGMT210: Corrections in Support Package 04 |