Solution : https://service.sap.com/sap/support/notes/128589 (SAP Service marketplace login required)
Key words : 
directory ~ftp/general/r3server/patches/rel40b/, ~ftp/general/r3server/patches/rel40b/, ~ftp/general/r3server/patches/rel45a/, directories /usr/sap/put/exe, directory /usr/sap/put/exe, directory /usr/sap/put/tools, /usr/sap/put/tools, customer-specific report variants, additional key words vari, database system adabas
Related Notes : 
       
| 128908 | Transporting report variants | 
| 118582 | R3trans: Transport of R3TRPROG deletes variants | 
| 116251 | Additions upgrade to Basis 4.5A (comp.system) | 
| 109963 | Restore variants after upgrade to Release 4.0B/4.5A | 
| 109059 | Customer-specific matchcodes destroyed after 4.0B upgrade | 
| 99834 | Additions to upgrade from Rel. 2.2x to 4.0B | 
| 99379 | Additional Info: Upgrading to 4.0B DB2/400 | 
| 91710 | Additions upgrade to 4.5A | 
| 91709 | Addition upgrade to 4.0B | 
| 91692 | Additional Info: Upgrading to 4.0A | 
| 48184 | Upgrade: Stopping a running R3up or SAPup | 
| 19466 | Downloading SAP kernel patches |