2968012 - Phase JOB_RSFIXUPG fails with error "could not create fulltext index"

Upgrade fails in phase MAIN_POSTPROC/JOB_RSFIXUPG with below error message:

===========================================

Checks after phase MAIN_POSTPROC/JOB_RSFIXUPG were negative!

Last error code set:
Single errors (code <= 8) found in logfile 'RSFIXUPG.ELG'

*ERROR* :
Batchjob RSFIXUPG2 failed.
The following errors were detected in the log files:

# /usr/sap/SID/SUM/abap/log/RSFIXUPG2.SID:
4 ETG011 "+-- DROP ECM,COM,CME-TABLES --+"
4 ETG011 "+-- CHECK INDEX TRDIRT~NAM --+"
4 ETG011 "+-- CREATE VER_CLUSTR and CLU4 --+"
4 ETG011 "+-- DECLUSTERING SET ALWAYSTRP FLAG AND BIT1 --+"
4 ETG011 "+-- Check existence of full-text indexes --+"
2EETG013 "Could not create fulltext index" "/CPD/D_MP_HDR_S" "NAM"

===========================================

SAP_BASIS 751 ~ 754

JOB_RSFIXUPG, RSFIXUPG2, 2EETG013, Could not create fulltext index, "/CPD/D_MP_HDR_S" "NAM", Check existence of full-text indexes , KBA , BC-UPG-TLS-TLA , Upgrade tools for ABAP , Problem