3111008 - Stack trace on dfo::ValidateOutputVectors when executing complex query - SAP IQ

A complex query hit in the following stack trace:

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**
** Non-Fatal IQ Internal Error Detected
** at dflib/dfo.cxx:14974 on thread UUUUUUUU (TID NN)
** with Query_Name: dfo.cxx:14974
** Internal error at node: #04 Can not evaluate expression: .................................................
** Error detected at DFO #04 Filter
...
...
** Command text:
<complex query>
...
...
dfo::ValidateOutputVectors
dfo::ValidateOutputVectors
dfo::ValidateOutputVectors
dfo_Root::Prepare
st_cursorIQtoSA::Prepare
df_OpenCursor::Prepare
st_command::DoCmdThroughResourceGate
st_iqdml::OpenCursor
UIQDML_OpenCursor
...
... **
** End of stack trace from Non-Fatal IQ Internal Error dflib/dfo.cxx:14974
**
********************************************************

Exception Thrown from dflib/dfo.cxx:14974, Err# 1057, tid kk origtid jj
O/S Err#: 0, ErrID: 9216 (df_Exception); SQLCode: -1001043, SQLState: 'QFA39', Severity: 14
Report to SAP IQ Support. Query 'Internal error at node: #04 Can not evaluate expression: ........................

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SAP IQ 16.1 SP04 PL10

Internal error at node: #04 Can not evaluate expression dflib/dfo.cxx complex query Non-fatal stack trace DFO #04 Filter dfo::ValidateOutputVectors dfo_Root::Prepare st_cursorIQtoSA::Prepare df_OpenCursor::Prepare st_iqdml::OpenCursor UIQDML_OpenCursor 825737 CR 825737 CR 825737 CR# 825737 826473 CR#826473 CR 826473 , KBA , BC-SYB-IQ , Sybase IQ , Problem