2815504 - Non-Fatal stack trace on hs_subohcIdentity*hs_subohc::GetIdentity - SAP IQ

An update is causing the following stack trace due constraint violation after applying SP11.22:

=======

[NNNNN]: Update Pass 2 completed in 404 seconds.
NumEntries: 1 Ebm Count: 0 Dbm Count: 0
_isPhysicallyEmpty : 0 _isEmpty: 1 IsConstraintViolation: 0 Unique(): 0
_OID._recCount: 0 _OID._inUse: _pBT->GetNumEntries():1 _pConjugateBT->GetNumEntries(): 0
.....
.....
hs_subohcIdentity*hs_subohc::GetIdentity
hs_ohcidentity*hs_ohc::GetIdentity
hos_exception*db_IndexDef::FlushIndexIdentity
hos_exception*db_IndexDef::CloseSIndexWithLock
db_IndexDef::CloseSIdxUpdate
db_sqlinsert::UpdateCleanUp
db_sqlinsert::UpdateExecute
db_sqlinsert::Execute
st_command::DoCmdThroughResourceGate
st_iqdml::Update
UIQDML_Update
st_SAIQInterfaceInfo::callFunction
st_SAIQInterface::RunIQFunc
st_SAIQInterface::Execute
saint_iqthresholddml::Update
dbi_update
a_cursor*DoExecuteBodyLocal
DoExecuteStmt
db__execute
RequestProcedure::call
...
...
******************* End of STACKTRACE ******************
**
** End of stack trace from Non-Fatal IQ Internal Error slib/s_ohcidx.cxx:969
**
********************************************************
Exception Thrown from slib/s_ohcidx.cxx:969, Err# 16, tid 5 origtid 5
O/S Err#: 0, ErrID: 2068 (hs_idxexception); SQLCode: -1006003, SQLState: 'QBA03', Severity: 23
[NNNNN]: IQ Internal error. Please report this to SAP IQ support. TB.IX 5 ???
Exception Thrown from slib/s_ohcidx.cxx:969, Err# 16, tid 5 origtid 5
O/S Err#: 0, ErrID: 2068 (hs_idxexception); SQLCode: -1006003, SQLState: 'QBA03', Severity: 23
[NNNNN]: IQ Internal error. Please report this to SAP IQ support. TB.IX 5 ???
Rbck
PostRbck

======

• SAP IQ 16.0 SP11 PL22 

Non-Fatal constraint violation IsConstraintViolation -1006003 QBA03 s_ohcidx.cxx update hs_subohcIdentity*hs_subohc::GetIdentity hs_ohcidentity*hs_ohc::GetIdentity hos_exception*db_IndexDef::FlushIndexIdentity hos_exception*db_IndexDef::CloseSIndexWithLock db_IndexDef::CloseSIdxUpdate db_sqlinsert::UpdateCleanUp
db_sqlinsert::UpdateExecute db_sqlinsert::Execute 819694, CR819694, CR#819694 , KBA , BC-SYB-IQ , Sybase IQ , Problem