3620860 - Stack Trace on Production IQ - BArray page header mismatch Internal Inconsistency -SAP IQ

• stack traces in the iqmsg file and requested an investigation to ensure there is no table corruption in their production system.
• sp_iqcheckdb does not report errors
• The error messages indicate a page header mismatch and internal inconsistency in SAP IQ. 

Messages and Stacktrace:

 BARRAY: save partition ***  slib/s_barray.cxx:13891
 BARRAY: save partition *** slib/s_barray.cxx:13891
...
 BARRAY: save partition *** slib/s_barray.cxx:13891
..
t*** slib/s_barray.cxx:11889 - (***) != (***)

**       Non-Fatal IQ Internal Error Detected
**       at slib/s_barray.cxx:11898 
**
**       Please report this to SAP IQ support

 **  Error from IQ connection:
**  Time of error:  xxxx
**  Command text:
Statement text unavailable
***************** This is the STACKTRACE ***************
 ===== Thread Number xxx (IQ connID: xxx) =====

StackTraceForThisThread
s_mergeFINALWriter::LoadPageForMerge
s_mergeFINALWriter::DoInsert
hs_dpInsert::Insert
dfiio_FP::FinalFetchOpus
dfo_IndexInsert::FinalFetchOpus
df_CombinerFinalFetchHelper::DoFinalFetch
df_CombinerFinalFetchHelper::ExecWork
workAllocator::DoWork
hos_team::StartWork
hos_team::Exec
df_CombinerFinalFetchHelper::Run
dfo_Combiner::FetchOpus
dfo_Sequencer::FetchOpus
dfo_Root::FetchOpus
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
DoExecuteBodyLocal
DoExecuteStmt
exec_procedure_stmt
run_procedure
call_procedure
DB_Exec_event_handler
EventHandler::do_request
Worker::spawn
RQInternalBaseItem::do_work
RequestQueue::worker_body
request_task(void*)+89
run_task_body+1e
UnixTask::pre_body

INFO [hos_InMemMsgLog::BroadcastDumpInMemMsgLog] from slib/s_barray.cxx:11913 local/remote server ids:1/2
 Exception Thrown from slib/s_barray.cxx:11918, Err# 7

O/S Err#: 0, ErrID: 2065 (hs_BArrayexception); SQLCode: -1009149, SQLState: 'QSB45', Severity: 14
BArray page header mismatch Internal Inconsistency:
-- (slib/s_barray.cxx 11918)  (7,N/A,N/A)
Exception Thrown from slib/s_barray.cxx:11918, Err# 7
O/S Err#: 0, ErrID: 2065 (hs_BArrayexception); SQLCode: -1009149, SQLState: 'QSB45', Severity: 14
[xxx]: BArray page header mismatch Internal Inconsistency:

Exception Thrown from slib/s_barray.cxx:11918, 
O/S Err#: 0, ErrID: 2065 (hs_BArrayexception); SQLCode: -1009149, SQLState: 'QSB45', Severity: 14
BArray page header mismatch Internal Inconsistency:
-- (slib/s_barray.cxx 11918) 
Cleaning pending errors from slib/s_bmCur.cxx:948 

SAP IQ 16.1 SP05 PL12

830864, CR830864, CR#830864, "s_mergeFINALWriter::LoadPageForMerge", "s_mergeFINALWriter::DoInsert", "hs_dpInsert::Insert "  , KBA , BC-SYB-IQ , Sybase IQ , Known Error