Solution : https://service.sap.com/sap/support/notes/1293745 (SAP Service marketplace login required)
Key words : 
---------------------------------------------------------------------- ii/ important general information ------------------------< d037179 jun/24/05 >--------------------------sap netweaver business intelligence, cx_sy_dyn_call_illegal_funcabap program           cl_enh_tool_badi_impl=========cpapplication component  bc-dwb-cexdate, application-specific update toolboxthe application-specific update toolbox, exchange file <upgrade tool>\sdt\lib\sdt_dsusrv, /sdf/rz20_tmpl_p /sdf/rz20_tmpl_n /bdl/cust_tree, category               abap programming errorruntime errors         call_function_not_foundexcept, upgrade roadmap steps --------------------< i024107 22/jul/10 > ------------------------------profile error, upgrade ------------------------< d030559 07/jun/10 >--------------------------preventing long runtime, --------------------------< d037179 13/jul/05 >-------------------------sap netweaver bi, -----------------------< d028310 29/jun/05---------------------------sap netweaver pi
Related Notes : 
       
| 1293744 | Central Note: Upgrade Systems on SAP NetWeaver 7.0 EHP1 SR1 | 
| 1232197 | Problems deleting from PSA or change log | 
| 1156578 | DB6: Slow reporting performance, especially on DataStore | 
| 1068827 | Archiving: RSPC 57 "Process did not report an instance" | 
| 1032635 | Generated structures disappear after upgrade | 
| 1000009 | ASU Toolbox 2008 | 
| 916834 | BI_CONT 7.03: Installation and upgrade information | 
| 861890 | ODS tables disappear during the upgrade | 
| 851449 | Changeability of BW objects during the upgrade | 
| 826464 | Upgrade from 3.X to 7.X: RSSM_PREPARE_SDLINIT_TABLES_40 | 
| 822379 | Known problems with Support Packages in SAP NW 7.0x AS ABAP | 
| 820640 | Upgrade from 3.X to 7.X: RSSM_CHECK_RSMONICDP_3X_40 | 
| 817463 | Addtnl info for upgrade to SAP NetWeaver 7.0x ABAP: MaxDB | 
| 506694 | Upgrading to SAPI 3.0B |