Solution : https://service.sap.com/sap/support/notes/783254 (SAP Service marketplace login required)
Key words : 
system issued error message cx_sy_ref_is_initial, support package 13 sap_udi 350 note 765119 factors, bw server support package 14 pi_basis 2005, etwa_not_assigned runtime error occurred, issue error message brain, end user technology area, ad-hoc query designer, content creating bw system, sapsrrk0 field symbol <l_s_snid>, /bi --> documentation --> sap bw 3
Related Notes : 
       
| 872277 | SAPBWNews BW Support Package 17 NW'04 Stack 17 RIN | 
| 872275 | SAPBWNews BW Support Package 16 NW'04 Stack 16 RIN | 
| 855976 | Termination, data flow in AWB BW3.0B/3.10/3.50(SP 28/22/13) | 
| 855936 | RSAU510:'Error in a formula function (routine &), record &' | 
| 855662 | MEMBER_UNIQUE_NAME in WITH MEMBER and hierarchy | 
| 855553 | P28:SID: Check/ Correction Report for /BI0/SREQUID | 
| 855444 | Termination: In program SAPLRSSH, form GET_SIGN_FROM_DB | 
| 855424 | Runtime error UNCAUGHT_EXCEPTION during upload | 
| 855411 | P28:AWB: Texts in search for InfoObjs in InfoObj tree | 
| 855258 | Unjustified message Brain A 039 when you check a query | 
| 855184 | Dump ITAB_ILLEGAL_SORT_ORDER in RSSB_GET_AUTHS_FILTERED f m | 
| 855165 | P28:MON: Slow performance when you access RSSELDONE | 
| 854136 | X299 Brain in SAPLRRK0; Form KNOTEN_LESEN-08- | 
| 853997 | BEx Browser does not replace placeholders in URLs | 
| 853963 | DO 313 or RSAR 274 when activating transfer rules | 
| 853645 | No time-dependent texts if you repeat the node selection | 
| 853569 | Problems with allowed characters in 0UNIT (for example µ) | 
| 853297 | BRAIN 804 "No authorization" for postable hierarchy nodes | 
| 853072 | Jump to a URL in the Enterprise Portal | 
| 853058 | Calculate Results/Single Values as ... priority rules | 
| 852748 | DB6: Improvement of aggregate filling | 
| 852523 | Attributes of a hierarchy are not displayed correctly | 
| 852484 | BW 3.0B/3.10/3.50 (SP 28/22/13): Web exception dialog | 
| 852443 | Dump in include LRSSMU36/RSSM_OLTPSOURCE_SELECTIONS | 
| 852055 | Key fields are not updated | 
| 851754 | X299 Brain in SAPLRRKH, form SELDER_INTERSECT_BUF-01 | 
| 851561 | P28:MON: Reposting of data packages; initiator 66 | 
| 851335 | No values in F4 when compounding an optional variable | 
| 851276 | P28:CRT: Realtime request with filled Init selections | 
| 851183 | Excel download: Exception is also generated for error cells | 
| 851086 | No values or incorrect values in some columns | 
| 850995 | RA variants: Title w/ '+' chars not transferred correctly | 
| 850879 | Scatter charts: "Chart contains too much data for display" | 
| 850809 | Routine editor - Rows are truncated when you save them | 
| 850668 | Correction: No multiple triggers after RSPROCESS event | 
| 850663 | 30BSP28: DataMart delta with NOTEXREL selections | 
| 850450 | Missing points in stock cubes | 
| 850428 | 30BSP28: Open hub extraction with NOP key figures | 
| 850234 | Correction: No authorization for OPEN_DATASET | 
| 850175 | Performance problems after you implement Note 832179 | 
| 850125 | P28: BAPI: BAPI_IPAK_START and message RSM1 089 | 
| 849857 | Potential data loss in PSA/change log | 
| 849820 | Role menu displays incorrect icon when reading from levels | 
| 849744 | DB6: SQL0104N when deleting requests from fact tables | 
| 849623 | Data inconsistency after update termination in consolidation | 
| 849194 | Maintain the authorizations for users in RSSM | 
| 849172 | Correction: Termination in data collector with CCMS errors | 
| 848981 | P28:Event collector: F4 help moved in Unicode systems | 
| 848906 | MDX: Incorrect length specification for PROPERTIES | 
| 848211 | Dynamic selection screen for PSA tables is not displayed | 
| 848060 | Error with the update using time distribution | 
| 848055 | Deactivating the cache statistics for read accesses | 
| 847984 | Duplicate technical name for 0BWTC_C10_S005 (structure) | 
| 847724 | 30BSP28: RECORDMODE cannot be selected | 
| 847581 | 30BSP28: Incorrect display of outstanding delta requests | 
| 847574 | P28:SDL:F4 Help and variables/routines in the Scheduler | 
| 847545 | You cannot deploy BI_MMR tables | 
| 847388 | Deleting unused entries in RSDDSTATAGGRDEF | 
| 847372 | Attributes have incorrect formatting (date, time, value) | 
| 846990 | Locks in the database with InfoPackage loading/deletion | 
| 846633 | Problem changing the compounding of reference characteristic | 
| 845951 | Handling of initial values with intersection of selections | 
| 845917 | X299 Brain in SAPLRRK0; form RGC_PFLEGEN_08-01- | 
| 845477 | No aggregation along a hierarchy | 
| 845209 | RSDMD_CHECKPRG_ALL - Versions in SID, P, Q | 
| 845120 | Generation of transfer rule proposal is very slow | 
| 845043 | Termination message R7 245 during InfoSource maintenance | 
| 844798 | Unberechtigter Abbruch Brain 107 beim Generieren einer Query | 
| 844739 | P27:SDL: Inconsistencies in shadow InfoPacks and RSSHIPDVERS | 
| 844543 | Query view Web service contains invalid characters | 
| 844408 | No authorization after deactivating display hierarchy | 
| 844300 | No data when you expand a hierarchy node | 
| 844149 | Exception rep.: Mail recipients disappear during execution | 
| 843824 | Conversion program Romanian Lei | 
| 843719 | Long run-time accessing BW from SEM | 
| 843645 | P27:ODS: Activat. of req. with different aggregate behavior | 
| 843591 | Node variables and non-unique hierarchy version | 
| 843575 | Time-dependent hierarchies: Untreated exception during load | 
| 843507 | P27:BAPI:BAPI_IPAK_STOP and BAPI_IPAK_CHANGE problem | 
| 843164 | P27:SDL: Problems with conversion exits in the selection tab | 
| 843152 | Metadata is not deployed in the server | 
| 842853 | No explosion of hierarchy nodes with fixed assignment | 
| 842733 | MDX: Memory consumption too high without NON EMPTY | 
| 842732 | P27:ENQ:Enqueue locks with parallel processes | 
| 842495 | Warning Brain 383 aggregate cannot be used | 
| 842383 | Problem with 0LOGSYS compounding and RSAU_READ_MASTER_DATA | 
| 842102 | DB6: Improving the performance when deleting InfoCubes | 
| 841963 | No deletion of obsolete DataSources in the myself of a BW | 
| 841624 | X299 Brain in CL_RSR_LFMM; Form GET_CHANM-01- | 
| 841579 | RSAOLTP 007: The field is not returned by the DataSource | 
| 841496 | F4 help on code page field does not work | 
| 841387 | VSCAN 033: Virus scan profile /SCET/GUI_UPLOAD not active | 
| 841346 | Initial value instead of node that does not exist. | 
| 841303 | X299 in SAPLRRK0; FILTER_01-09- w. elim. of int. bus. vol. | 
| 841267 | Incorrect data with excluding leaf nodes | 
| 840822 | Error in the SUMCT, SUMGT or SUMRT operators | 
| 840818 | iSeries: Performance during compression | 
| 840788 | SAPSQL_ARRAY_INSERT_DUPREC for file hierarchy transport | 
| 840762 | Correction: Short dump DYNPRO_MSG_IN_HELP with F4 | 
| 840553 | BW Oracle: TRUNCATE table slower than DELETE | 
| 840552 | Oracle BW tables statistics: COMPUTE instead of ESTIMATE | 
| 840251 | Check Flag is not set when using RSNDI_MD function modules | 
| 840080 | Errors or incorrect data with MultiProvider query | 
| 839866 | Memory availability problem with info object where-used list | 
| 839785 | Different corrections to the Lira conversion | 
| 839606 | P27:Request check: Checks all data targets that are loaded | 
| 839526 | Correction: No exception with RSPC_API_CHAIN_START errors | 
| 839439 | Calculate results as ... displays empty cells | 
| 839355 | Brain A125 Statement too long | 
| 839252 | Too many work processes being allocated | 
| 839183 | Runtime error ASSIGN with length 0 in SAPLRRK0; RRK_DATA_GET | 
| 839050 | Transporting formulas | 
| 839036 | BEx Description for Keyfigure of type DATS(Date) & TIM(Time) | 
| 838879 | Correction: No API to determine the system message | 
| 838799 | P27:PC:Rollup process directly before statists setup process | 
| 838767 | Incorrect node values with non-unique hierarchies | 
| 838679 | P27:SDL:NUMC field WITHOUT conversion exit and leading 0 | 
| 838615 | Performance optimization for hierarchy authorizations | 
| 838560 | Runtime error GETWA_NOT_ASSIGNED_RANG during generation | 
| 838524 | RSIMPCURFILE: CSV data separator is overwritten | 
| 838502 | RSARCH: Changing the logical file name | 
| 838473 | System error: RSDRC/FORM CURRENCY_CONVERSION_CURRKYF | 
| 838443 | A125 Brain statement too long | 
| 838414 | 0TCTOLAPRD field is always initial | 
| 838378 | P27:ENQ: Enqueue lock in Lock Manager | 
| 838358 | No variable combination with prequery and variant | 
| 838147 | Context menu for BW Macintosh Browser 3.50 (SP 13) | 
| 838099 | BWGIS: Improved label strategy | 
| 838095 | Chart type deviations after chart migration | 
| 838070 | Distance of the Byte-Order-Mark(BOM) during the file upload | 
| 838048 | Transport of variable causes mass query regeneration | 
| 837958 | P27: Incorrect lock attempts: Log enhanced | 
| 837897 | Aggregate counts when deleting non-rolled up requests | 
| 837761 | P27: MON: Subsequent posting of data packages, initiator 66 | 
| 837536 | P27: SDL: Delta requirement and ITAB_DUPLICATE_KEY dump | 
| 837354 | BRAINOLAPAPI 501: value for characteristic is unknown | 
| 837275 | PSA maintenance - Erroneous record filter does not work | 
| 837216 | Hierarchies: Consistency check for link nodes | 
| 837120 | Extra long query generation time | 
| 837110 | Enter value in permitted format for 1FORMULA characteristic | 
| 836849 | MDX: Short dump TIME_OUT with GENERATE or CROSSJOIN | 
| 836783 | Correction: Missing description after content transfer | 
| 836518 | Correction: Monitor: Missing updates in individual cubes | 
| 836440 | SAPBWNews BW Support Package 15 NW'04 Stack 15 RIN | 
| 836439 | SAPBWNews BW Support Package 14 NW'04 Stack 14 RIN | 
| 835284 | The (sub) formula XXX... is not available (BRAIN 417) | 
| 792779 | Report ANALYZE_RSZ_TABLES | 
| 763340 | SAPBWNews BW Support Package 12 NetWeaver'04 Stack 12 RIN | 
| 763338 | SAPBWNews BW Support Package 11 NW'04 stack 11 RIN | 
| 763336 | SAPBWNews BW Support Package 10 NW '04 Stack 10 RIN | 
| 763335 | SAPBWNews BW Support Package 09 NW'04 Stack 09 RIN | 
| 695423 | BW 3.5: Support Package information | 
| 693495 | SAPBWNews BW Support Package 05 NW'04 Stack 05 RIN | 
| 693494 | SAPBWNews BW SP04 NW'04 Stack 04 RIN | 
| 693363 | SAPBWNews BW SP03 NW'04 Stack 03 RIN | 
| 693362 | SAPBWNews BW SP01 NW'04 Stack 01 RIN | 
| 692636 | SAPBWNews BW SP02 NW'04 Stack 02 RIN |