Solution : https://service.sap.com/sap/support/notes/886397 (SAP Service marketplace login required)
Key words : 
0 livecache kernel lca build 20 patch level 001, 0 lca build 20 patch level 001, installation file lc740341a4020_0-nnnnnnnn, execute transaction /sapapo/om03, aix system requirement - livecache 7, ---------------------------------------------------------------------------------------------- transaction /sapapo/om03 ------------------------, terms lca build, solution import scm 4, sap service marketplace, operating system parameterization
Related Notes : 
       
| 905189 | liveCache for SCM 4.X caused to crash after start on HP IPF | 
| 888947 | SAP SCM 4.0 SP stack 18 (12/2005): Release&Information Note | 
| 878796 | Avoiding "ContiWithoutOffset" | 
| 774161 | Access to DB50 or LC10 is not possible. | 
| 764537 | Problems when you initialize liveCache (SCM 4.0 & 4.1) | 
| 753528 | LCA builds on SAP Support Portal | 
| 720261 | System requirement AIX - liveCache/MaxDB 7.4 to 7.9 | 
| 710165 | Feature list for liveCache/SAP DB 7.4.03 | 
| 622197 | Importing liveCache Version 7.4.03/7.5.00 for SAP SCM 4.0 | 
| 603852 | Additional information about upgrading to SAP SCM 4.0 | 
| 496318 | Parameter values as of liveCache Version 7.4.02 | 
| 490958 | Initial parameterization of liveCache 7.4.2 and 7.4.3 | 
| 487972 | Operating system parameterization of liveCache |