Solution : https://service.sap.com/sap/support/notes/130446 (SAP Service marketplace login required)
Key words : 
upgrade program creates directory /usr/sap/put/cofiles save file ae31i08, transport directory /usr/sap/trans/cofiles, directory /usr/sap/put/cofiles, directory /general/r3server/abap/note, additional key words phase act_31i, repeat upgrade phase act_31i, file called ae31i08, download file ae31i08, copy file ae31i08, successfully activateda 2eead458
Related Notes : 
       
| 91594 | Additional Info: Upgrading to Release 3.1I |