Solution : https://service.sap.com/sap/support/notes/127037 (SAP Service marketplace login required)
Key words : 
upgradevi/  problems applying hot packagesvii/ r3up key word, transaction icnv                     upgradephase job_rddntpur1pepu203x-->messages extracted, upgradephase pcon_40b 1pepu203x-->messages extracted, vii/ r3up key word, individual upgrade phases            phase pcon_40b, local currency changeover euro area, 0b additional key words, sap sapservx service hosts, area local currency changeover, individual upgrade phasesiv/  problems
Related Notes : 
       
| 100084 | Release strategy of Euro Conversion (EURO-CNV) | 
| 91709 | Addition upgrade to 4.0B | 
| 33814 | Warnings of inconsistencies between database & R/3 DDIC |