3281714 - Phase MAIN_NEWBAS/PARCONV_UPG were negative!

During an upgrade this error is encountered in PARCONV.ELG. In other environments other tables and indexes can be affected but the error message is the same.  

Summary of Error:
=================
- Module:              MAIN_NEWBAS/Downtime II: Conversion, Main Import, XPRAs
- Phase Name:          MAIN_NEWBAS/PARCONV_UPG
- Phase Log File:      PARCONV.LOG
- Error Message:       Last error code set:
Unhandled tables found in inactive nametab

 -----

 PARCONV.ELG:

 ###################################################################
# Phase: PARCONV_UPG
# Description: Check Batch job
###################################################################

#=================================================================#
# Find the detailed information in log 'NCONV00.SRP':
#=================================================================#

2 ED0313 uments with the same ID exist in the index;SAPR3:/IWFND/I_MED_SRH.$uc_/IWFND/I_M
2 ED0314 ED_SRH~1$ content not unique, cannot define unique constraint. rowCount != disti
2 ED0314 nctCount
4 EDA093 "DDL time(___1):" ".......129" milliseconds
2EEGT236 The SQL statement was not executed
2EEDI006 Index " " could not be created completely in the database
2EEGT082 "Index" "/IWFND/I_MED_SRH-1" could not be created

2 EGT066 Request for "/STMC/CR_REPO2L" executed successfully
1 ED0302X=========================================================================
1 ED0314 DD: Execution of Database Operations
1 ED0302 =========================================================================
1 ED0327 Process..................: "saphsrp_26_3475154"
1EED0319 Return code..............: "8"

SUM SUM 2.0 Patch 15.2 

HANA 2.0

"uments with the same ID exist in the index", Index " " could not be created completely in the database, PARCONV.ELG, MAIN_NEWBAS/PARCONV_UPG, content not unique, cannot define unique constraint. rowCount != distinct , KBA , HAN-DB , SAP HANA Database , BC-UPG-TLS-TLA , Upgrade tools for ABAP , Problem