Solution : https://service.sap.com/sap/support/notes/1158230 (SAP Service marketplace login required)
Key words : 
dum dummy frame, call transaction se38, adjust enhs objects, enhs objects, transaction spau, enhancement spots, system displays, relevant program, solution implement, manually maintain
Related Notes : 
       
| 1324389 | Trans. SPAU and SE95: Various problems with new object types | 
| 1086728 | Unreqd deletions in SPAU comparison after importing SP/EHP |