Solution : https://service.sap.com/sap/support/notes/393505 (SAP Service marketplace login required)
Key words : 
func ewu_clu_init_parmsfunc ewu_cl_delete_clustersfunc ewu_cl_end_clusterfunc ewu_cl_get_relidfunc ewu_cl_set_valuesfunc ewu_view_createfunc ewu_pg_check_jobsfunc ewu_clu_finish_selectreps cldocf05reps cldoctopreps ewucsusireps ewucsusereps ewucrefreps ewcgenewreps ewcm10c2reps ewcmu4c2reps ewcmu5c2reps ewcmu6c4reps ewcmu9c4reps ewum11c2reps ewcmusc2reps ewucstareps ewucsizereps ewucountafter, 1i       u3ik900555     /general/r3server/abap/note, 0b       u4bk901409     /general/r3server/abap/note, 5b       u4dk900836     /general/r3server/abap/note, 6b       u9bk901426     /general/r3server/abap/note, 6c       u9ck902010     /general/r3server/abap/note, release       support package 31i           sapkh31i39 -  sapkh31i76, exclusively euro cluster technique basis modules, processed         ewuerlkz  char                1       completed idactivate, transaction se11 - technical settings
Related Notes : 
       
| 411563 | |
| 397398 | Cluster: enqueue problem in the syslog is recognizable | 
| 394418 | |
| 394186 | Tables only partially converted | 
| 385712 | EWUCREF: termination with ORA1562 | 
| 385306 | |
| 376110 | Long runtime in phase CONVERSION | 
| 375790 | Euro docs aftr changeovr: Error w/cash discnt items | 
| 336067 | |
| 326706 | |
| 322602 | Cluster: partial conversion BKPF/BSEG w/ status OK | 
| 308643 | |
| 304422 | |
| 212215 | |
| 209965 | |
| 209270 | |
| 209069 | Cluster:Incor.parall.process.causes partial convrsn | 
| 208900 | |
| 207841 | |
| 207106 | |
| 200998 | |
| 200638 | |
| 199719 | Cluster: Restriction of parallel processing | 
| 197899 | |
| 196371 | Cluster: Prgrm termntn EWUTIME in runtime forecast | 
| 195650 | |
| 194585 | |
| 193679 | |
| 190483 | |
| 189068 | |
| 187820 | |
| 186711 | |
| 186513 | EMU: Termination with changeover of table PMCO | 
| 184699 | Double conversion when restarting | 
| 174075 | |
| 173993 | Cluster: System settings during Euro LC changeover | 
| 169094 | Clust:Program terminat.w/'Import of Cluster No. XXXX failed' | 
| 168728 | Cluster: No. of clusters exceeds maximum | 
| 145211 | |
| 132631 | Restart capability of local currency changeover | 
| 121626 | Euro LC changeover:important Support Packages info. |