2644048 - IQ server may crash when loading a table - SAP IQ

IQ server crashed with stacktrace below while loading data into a table

Dump all thread stacks at stcxtlib/st_server.cxx

*************** STACKTRACE ***********

dfo_FileSource::FetchOpus()
dfo_CheckConstraintFilter::FetchOpus()
dfo_ColumnVectorBase::FetchOpus()
dfo_RowID::FetchOpus()
dfo_IndexInsert::FetchOpus()
const s_packedRecDesc*CombinerFetchCallback(void*)
hc_dfrun::FillRun(unsigned&,int,int)
hc_dmfrun::SyncFillRun()
hc_dmfrun::SelectInputRun()
hc_dmfrun::SelectInputRun_WithTryCatch()
hc_dmfrun::AdvanceBuffer()
dfo_Combiner::FetchOpus()
dfo_Sequencer::FetchOpus()
dfo_Scheduler::ExecWork(int&,unsigned)
workAllocator::DoWork(unsigned)
hos_thread::Main()
hos_lwtask::Start(hos_lwtask*)
IQWorkerStarter(void*)
void*UnixTask::pre_body(void*)

SAP IQ 16.1

dfo_FileSource, FetchOpus, CR 817475, CR#817475, 817475  , KBA , BC-SYB-IQ , Sybase IQ , Bug Filed