Solution : https://service.sap.com/sap/support/notes/1041898 (SAP Service marketplace login required)
Key words : 
subsequently created fixed pegging relationships, prevent incorrect bucket times, installation file lc760208a5011_2-nnnnnnnn, initial atp bucket parameters, patch level 002 general information, patch level 001 general information, function modules /sapapo/om_order_change, function module /sapapo/om_simsession_control, function modules /sapapo/om_ts_node_aggr_create, system requirement aix - livecache 7
Related Notes : 
       
| 1068836 | New time-based disaggregation type: Type I | 
| 1049661 | New time-based disaggregation type 'I' | 
| 1039767 | New chronological disaggregation type "I" | 
| 875662 | Importing liveCache version 7.6 | 
| 869651 | Prerequisites for upgrading to SCM 5.0 | 
| 833216 | Parameter values as of liveCache Versions 7.5, 7.6 and 7.7 | 
| 753528 | LCA builds on SAP Support Portal | 
| 487972 | Operating system parameterization of liveCache |