2949186 - SEM-BCS: Runtime error POSTING_ILLEGAL_STATEMENT by running a consolidation task in update mode

By running a consolidation task in update mode the runtime error POSTING_ILLEGAL_STATEMENT occurs in function DB_COMMIT with the short text:

Statement "COMMIT" is not allowed in this form.

Calls stack of the runtime error:

19 FUNCTION SAPLSYDB
DB_COMMIT
18 METHOD CL_RSRV_APPL_LOG==============CP
CL_RSRV_APPL_LOG=>DELETE_UNUSED_DETAIL_INFO
17 METHOD CL_RSRV_APPL_LOG==============CP
CL_RSRV_APPL_LOG=>CONSTRUCTOR
16 METHOD CL_RSDD_CUBE_WRITER===========CP
CL_RSDD_CUBE_WRITER=>CHECK_PDIMIDS
15 METHOD CL_RSDD_CUBE_WRITER===========CP
CL_RSDD_CUBE_WRITER=>READ_PDIMID
14 METHOD CL_RSDD_CUBE_MASS_WRITER======CP
CL_RSDD_CUBE_MASS_WRITER=>_FILL_FLAT_FACT_DATA
13 METHOD CL_RSDD_CUBE_MASS_WRITER======CP
CL_RSDD_CUBE_MASS_WRITER=>WRITE_DATA

SEM-BW 748 with HDB

DELETE_UNUSED_DETAIL_INFO , KBA , FIN-SEM-BCS-INF-BW , BW interfaces , BW-WHM-DST , Data Staging , Bug Filed