2673073 - SUM UPGRADE MAIN_SWITCH/EU_SWITCH RENAME_I_IOLD01.TQL exited with status -6 SQLSTMTSTD.OUT DB2 LUW RENAME INDEX on virtual table

EUSWITCH.LOG
   . . .
      3 ETQ### Generated TQL file 'RENAME_I_IOLD01.TQL' with 1 SQL statements, log file 'RENAME_I_IOLD01.LOG'.
      2 ETQ### Distributed 1 statements, 1 actual ones are written to TQL files.
      4 ETQ### Executing SQL-script "RENAME_I_IOLD01.TQL"
      3 ETQ### ### YYYYMMDD24MMSS: PID ##### execute '~/bin/SAPuptool execdb ../var/RENAME_I_IOLD01.TQL', output written to '/usr/sap/<SID>/SUM/SUM/abap/log/SQLSTMTSTD.OUT'.
      3WETQ122 YYYYMMDD24MMSS: PID ##### exited with status -6
      . . .   or   . . .
      3WETQ122 YYYYMMDD24MMSS: PID ##### exited with status -11

SUM
MAIN_SWITCH/EU_SWITCH
RENAME_I_IOLD01.TQL
RENAME_I_IOLD01.LOG
   SQL: RENAME INDEX "<table_name>~0" TO "<table_name>~0~~OLD"

virtual table(s) associated with index . . . found using . . . db2 "select substr(tabschema,1,10), substr(tabname, 1, 35), type, create_time from syscat.tables where tabname in ( '<tablename1>', . . ., '<tablename(N)>')

OS linux
OS AIX

DB2 LUW (DB6) 10.5

KBA , BC-DB-DB6-UPG , Upgrade SAP System , Problem