Solution : https://service.sap.com/sap/support/notes/1018506 (SAP Service marketplace login required)
Key words : 
/irj/bpx/livecache-> sap lc/lcapps 5, lca build 20 patch level 003 - minimum requirement, 1 lca build 20 patch level 003, lca build 20 patch level 003, lca build 10 - minimum requirement, lca build 07 - minimum requirement, 1 lca build installation notes, minimum requirement reason, execute transaction lca03, executing transaction lca03
Related Notes : 
       
| 1353248 | SAP liveCache 5.1 LCA Build 20 | 
| 1249071 | SAP liveCache 5.1 LCA build 17 | 
| 1235647 | liveCache/OneDB 7.7.02 + 7.7.03:Termination if OMS Heap >2GB | 
| 1172574 | SAP liveCache 5.1 LCA Build 14 | 
| 1127208 | SAP liveCache 5.1 LCA build 10 | 
| 1083903 | SAP liveCache 5.1 LCA Build 07 | 
| 1065366 | /SAPAPO/OM_LC_UPGRADE_51: Problems during the upgrade | 
| 1055039 | SAP liveCache 5.1 LCA Build 05 | 
| 1047301 | SAP liveCache 5.1 LCA Build 04 | 
| 1010762 | Add. info. on upgrading to SAP SCM 5.1 ABAP | 
| 998966 | Importing liveCache Version 7.7 |