3342754 - LOAD job hits Non-Fatal error on dfo_THGMerge::FetchOpus at 's_ohcidx.cxx:13993' , with 'hs_idxexception::hs_idxexception' - SAP IQ

• On SAP IQ16.1 SP05.05, 'LOAD Table … Using File' (multiple input files) statements for a number of different tables, frequently fails with Non-Fatal error at s_ohcidx.cxx:13993. 
• Key stack symbols are 'hs_idxexception::hs_idxexception' , 'hs_ohcMerge' & 'dfo_THGMerge'. 
• But subsequent resubmission the same load job works fine.
• This problem didn't happen at all when testing on IQ 16.1 SP05 PL01, it has only appeared on IQ 16.1 SP 05 PL05 and higher.

Excerpt of stack trace

.. ********************************************************
.. **
.. ** Non-Fatal IQ Internal Error Detected
.. ** at slib/s_ohcidx.cxx:13993 on thread 140105443047168 (TID 120)
.. **
..
.. StackTraceForThisThread
.. hs_idxexception::hs_idxexception
.. hs_ThrowIdxException
.. hs_ohcMerge<s_btdiskblock, s_btitem, variable>::ReInit
.. dfo_THGMerge::FetchOpus
.. dfo_Scheduler::ExecWork
.. workAllocator::DoWork
.. hos_team::StartWork
.. hos_team::Exec
.. dfo_Scheduler::FetchOpus
.. dfo_Root::FetchOpus
.. dfo::Fetch
.. db_dmlcommand::ExecuteDFOTree
.. db_LoadTable::Execute
.. st_command::DoCmdThroughResourceGate
.. st_iqdml::Load
.. UIQDML_Load
.. st_SAIQInterfaceInfo::callFunction
.. st_SAIQInterface::RunIQFunc
.. st_SAIQInterface::Execute
.. saint_iqthresholddml::Load
.. dbi_load_table
...

SAP IQ16.1 SP05 PL05

s_ohcidx.cxx, hs_idxexception , hs_ohcMerge, dfo_THGMerge, ReInit, , KBA , BC-SYB-IQ , Sybase IQ , Problem