Solution : https://service.sap.com/sap/support/notes/532499 (SAP Service marketplace login required)
Key words : 
/3 enterprise extension set simultaneously, /3 enterprise extension set, extension-specific menu, application component hierarchy, attached correction instructions, img entries, activation switch, switch reason, program error, components
Related Notes : 
       
| 823533 | FB2E: Missing menu paths for Intercompany reconciliation | 
| 588364 | Prerequisites for activating extensions | 
| 535003 | SAP R/3 Enterprise Extension Set 1.10: Activation switch | 
| 534334 | Composite SAP note Install./Upgrade SAP R/3 Enterprise 47x11 |