2870634 - s_bm.cxx error with stacktrace from s_buf::DirtyInternal -SAP IQ

Following error occurs while running a report.

** Non-Fatal IQ Internal Error Detected
** at slib/s_bm.cxx:1471 on thread xxxx
** with Query_Name: Dynamic
** Bitmap result bitcount not in legal range.

sbm_exception::sbm_exception(char const*, unsigned int, sbm_exception::bmerrors)
s_bm::SetBits(unsigned long long, unsigned long long, int)
s_VersioningBlockmap::Deallocate(unsigned long long, unsigned int)
s_buf::DirtyInternal(s_bufman_errorInfo*)
s_bufpartition::FindLogicalBuffer(s_bufman_errorInfo*, s_connectionCacheStats*, unsigned long long, short, s_blockmap*, s_bufman::s_dirtyMode, s_bufmanCallerStats*, int)
s_blockmap::FindAndDirty(unsigned long long, short, int)
s_pageListCursor::PositionPrefetchedPage(unsigned long long)
s_pageListCursor::PositionPage(unsigned long long)
s_gArrayCursorBase::PositionGroup(s_groupID const&)
s_gInsertCursor::SetupOneGroup(s_groupID const&, int, unsigned long long)
hs_ohcInsert::DoInsert(unsigned long long, void const*, int, int)
dfo_HGIndexInsert::FetchOpus()+0x506
df_CombinerFetchContext::Fetch()+0x5d
hc_dfrun::FillRun(unsigned int&, int, int)
hc_dmfrun::InitNextWorkUnit(unsigned int, int, unsigned int)
hc_dmfrun::ExecWork(int&, unsigned int)
workAllocator::DoWork(unsigned int)

• SAP IQ16.1 SP04.02
• SAP IQ16.0 SP11.24

s_buf::DirtyInternal, CR820668, CR#820668, 820668, 238016, ModNum , , KBA , BC-SYB-IQ , Sybase IQ , Problem