Solution : https://service.sap.com/sap/support/notes/599269 (SAP Service marketplace login required)
Key words : 
1 content            import support package 6, 0b            import support package 31, 1c            import support package 23, 0b            import support package 12, 'navigation attribute values' test, runtime error sapsql_array_insert_duprec, 0b support package 31, 1c support package 23, 0b support package 12, 1c support package 06
Related Notes : 
       
| 668466 | Loading master data: SAPSQL_ARRAY_INSERT_DUPREC | 
| 633810 | Runtime for RSRV test 'SID values in X and Y table' | 
| 539827 | SAPBWNews BW 3.1 Content Support Package 06 | 
| 523249 | SAPBWNews BW 3.0B Support Package 12 | 
| 523203 | SAPBWNews BW 2.1C Support Package 23 | 
| 523150 | SAPBWNews BW 2.0B Support Package 31 | 
| 323140 | DUPREC short dump when loading master data attributes |