2779530 - SUM DBCLONE error "cannot use duplicate index name"

During a database copy with SUM using DBCLONE, the process ends with errors similar to:

3 error(s) during parallel execution of processes, check 'DBCLONE_PROCS.ELG' for details

ERROR:
The following errors were detected in the log files:
# /usr/sap/sum/SUM/abap/log/DBCLONE01.T28:
3 ETGCLN START ACLPERMIS -> ACLPERMIS~ 20190403073913
3 ETGCLN Primary key strategy for current table is 0
3 ETGCLN DROP TABLE "ACLPERMIS~"
3 ETGCLN CREATE COLUMN TABLE "ACLPERMIS~" (
  "INTF_NAME" NVARCHAR (000030) DEFAULT '' NOT NULL,
  "CLIENT_PAK" NVARCHAR (000030) DEFAULT '' NOT NULL,
  "WITH_SUBPACKS" NVARCHAR (000001) DEFAULT '' NOT NULL,
  "POINT_2_POINT" NVARCHAR (000001) DEFAULT '' NOT NULL
) UNLOAD PRIORITY 5
3 ETGCLN ALTER TABLE "ACLPERMIS~" ADD CONSTRAINT "ACLPERMIS~0"
  PRIMARY KEY("INTF_NAME", "CLIENT_PAK")
1EETGCLN cannot use duplicate index name: ACLPERMIS~0 or constraint name: ACLPERMIS~0
1EETGCLN ACLPERMIS
1EETGCLN Error when cloning table structure

3 ETGCLN START AIMTRKORR_SHD -> AIMTRKORR_SHD~ 20190403073913
3 ETGCLN Primary key strategy for current table is 0
3 ETGCLN DROP TABLE "AIMTRKORR_SHD~"
3 ETGCLN CREATE COLUMN TABLE "AIMTRKORR_SHD~" (
  "TRKORR" NVARCHAR (000020) DEFAULT '' NOT NULL,
  "AS4POS" NVARCHAR (000008) DEFAULT '00000000' NOT NULL,
  "TRKORR_MRGFROM" NVARCHAR (000020) DEFAULT '' NOT NULL,
  "METHODNAME" NVARCHAR (000030) DEFAULT '' NOT NULL,
  "LOCKFLAG" NVARCHAR (000001) DEFAULT '' NOT NULL,
  "AS4DATE" NVARCHAR (000008) DEFAULT '00000000' NOT NULL,
  "AS4TIME" NVARCHAR (000006) DEFAULT '000000' NOT NULL,
  "AS4USER" NVARCHAR (000012) DEFAULT '' NOT NULL
) UNLOAD PRIORITY 5
3 ETGCLN ALTER TABLE "AIMTRKORR_SHD~" ADD CONSTRAINT "AIMTRKORR_SHD~0"
  PRIMARY KEY("TRKORR", "AS4POS")

...skipped more lines...
See DBCLONE_PROCS.html for more information.

The main error is:

1EETGCLN cannot use duplicate index name: <name> or constraint name: <name>

1EETGCLN Error when cloning table structure

• SAP HANA DB Version 1.0
• SAP HANA DB Version 2.0

SUM, DBCLONE, SAP HANA, duplicate index name, duplicate constraint name, cannot use duplicate index name, table rename, RENAME TABLE, shadow tables, ~~OLD, ST22, SM21, DB02, missing indexes, missing tables , KBA , HAN-LM-UPG-SAP , Upgrade of SAP Systems on HANA , Problem