3227847 - After executing drop dbspace, sp_iqemptyfile , create dbspace, then the database could hit corruption error "Blocks with Multiple Owners" - SAP IQ

On a Multiplex system, after moving data using sp_iqemptyfile from existing DBspace to new dbspace, and dropping the empty dbspace, then the next load table cound hit a stack trace and sp_iqcheckdb 'allocation database' could report a corruption error "Blocks with Multiple Owners".

* Error stack trace >>
   ..
   .. ** Non-Fatal IQ Internal Error Detected
   .. ** at slib/s_barray.cxx:11806 on thread 139776680490752 (TID 752)
   .. **
   ...

* STACKTRACE >>
  ..
  .. pcstkwalk ..
  .. ucstkgentrace ..
  .. StackTraceForThisThread ..
  .. s_mergeFINALWriter::LoadPageForMerge ..
  .. s_mergeFINALWriter::DoInsert ..
  .. hs_dpInsert::Insert ..
  .. dfiio_FP::FetchOpus ..
  .. dfo_IndexInsert::FetchOpus ..
  .. df_CombinerFetchContext::Fetch ..

SAP IQ 16.1

"Blocks with Multiple Owners" , "Unallocated Blocks in Use", multiple, owners, unallocated,  s_barray , "s_mergeFINALWriter::LoadPageForMerge" , "s_mergeFINALWriter::DoInsert", 825997 , , KBA , BC-SYB-IQ , Sybase IQ , Problem