Solution : https://service.sap.com/sap/support/notes/708292 (SAP Service marketplace login required)
Key words : 
1c object                = 'rsar' subobject             = 'metadata' external identifier   = 'rsar_psa_request_check' release 3, 50 object                = 'rsrv' subobject             = 'rsrv' external identifier   = 'rsar_psa_request_check', 'rsar' development class, 'rsar_psa_request_check' program analyzes, 'rsar_psa_request_check' program header, 'rsar_psa_request_check' check program, monitor incorrectly sets, newly-built request, terms psa table, attached correction instructions
Related Notes : 
       
| 770796 | DUMP in RSAR_PSA_REQUEST_CHECK | 
| 692636 | SAPBWNews BW SP02 NW'04 Stack 02 RIN | 
| 647752 | SAPBWNews BW 3.0B Support Package 20 | 
| 638112 | Correction: System does not notice missing Idoc and data pac | 
| 601051 | SAPBWNews BW 3.1 Content Support Package 14 | 
| 601028 | SAPBWNews BW 2.1C Support Package 29 | 
| 600988 | SAPBWNews BW 2.0B Support Package 37 | 
| 571720 | SAPBWNews BW 3.1 Content Support Package 09 | 
| 571698 | SAPBWNews BW 3.0B Support Package 15 | 
| 523205 | SAPBWNews BW 2.1C Support Package 25 | 
| 523193 | SAPBWNews BW 2.0B Support Package 33 |