2761750 - SAP IQ - Non-Fatal IQ Internal Error at optlib/opt_Union.cxx:1212 during an inserting job after upgarding IQ server to 16.1 SP02 PL08

After upgrading IQ server to 16.1 SP02 PL08, an inserting job which ran successfully before upgrading IQ server failed with a Non-Fatal IQ Internal Error like below.

--.iqmsg

...
     **       Non-Fatal IQ Internal Error Detected
     **       at optlib/opt_Union.cxx:1212  on thread 214 (TID 3)
...
     **  IQ Version:  SAP IQ/16.1.020/10980/P/sp02.08
...
     **  OS info:  IQ built on: Sun_x64/OS 5.11,  Executed on: SunOS/ieatrcxb4072/5.11/11.3/i86pc
     **  Command status when error occured:  CURSOR ACTIVE
     **  Command text:
...
===== Thread Number  214  (IQ connID: 0000371361) =====
...
df_Exception::df_Exception
void df_Exception::ThrowException_0
void opt_Union::EliminateUnneededUnionArms
void opt_QueryExp::OptimizeQueryBlockTree
void opt_Select::OptimizeQueryBlockTree
void opt_QueryExp::OptimizeQueryBlockTree
dfo_Root*opt_Driver::GenerateTree
void db_InsertRoot::Execute
void st_command::DoCmdThroughResourceGate
unsigned st_iqdml::Insert
UIQDML_Insert+0x25
...

• IQ 16.1 SP02 PL08

"optlib/opt_Union.cxx"; "opt_Union::EliminateUnneededUnionArms"; "CR #814789"; "SP02.08"; , KBA , BC-SYB-IQ , Sybase IQ , BW-SYS-DB-IQ , BW on HANA with Sybase IQ Near-line Storage , Problem