Solution : https://service.sap.com/sap/support/notes/1083327 (SAP Service marketplace login required)
Key words : 
/sapdb/data/wrk/<sid>/, import lca build 12, lca routine sapatp_pac_check, lca build 11, rare cases, livecache crashes, call stack, run directory, terms livecache, pts 1148903 reason
Related Notes : 
       
| 1062407 | SAP liveCache 5.0 LCA Build 12 | 
| 720261 | System requirement AIX - liveCache/MaxDB 7.4 to 7.9 |