Solution : https://service.sap.com/sap/support/notes/712963 (SAP Service marketplace login required)
Key words : 
/sapapo/om_stock_tseries_cmp function module, livecache application source code, 1 lca-build 01 patch level 001, aix system requirement - livecache 7, operating system parameterization, positive receipt quantities, atp time series, sap service marketplace, calculating slack time, overlapping alert intervals
Related Notes : 
       
| 896574 | -28003 when initializing a liveCache OneDB system | 
| 773060 | Report for correcting incorrect ATP stock time series | 
| 753528 | LCA builds on SAP Support Portal | 
| 737752 | Termination of the MAX DB/liveCache installation on AIX 5.1 | 
| 720261 | System requirement AIX - liveCache/MaxDB 7.4 to 7.9 | 
| 719652 | Setting initial parameters for liveCache 7.5, 7.6, 7.7 | 
| 713381 | Importing liveCache Version 7.5.00 for SAP SCM 4.1 | 
| 710166 | Feature list for liveCache/MaxDB 7.5.00 | 
| 487972 | Operating system parameterization of liveCache |