3211917 - PARCONV_UPG: SQL-error 308-column name already exists

SUM stopped at MAIN_NEWBAS/PARCONV_UPG as it was not able to activate objects due to errors similar to the below:

[PARCONV.ELG]:
...
2 ETP000  "ISSUE_TIME" NVARCHAR (000006) DEFAULT '000000' NOT NULL, "REJECTION_CODE" NVARCHAR (0000
2 ETP000 08) DEFAULT '' NOT NULL, "BUSINESS_MODEL" NVARCHAR (000003) DEFAULT '' NOT NULL, "MD_FINAL
2 ETP000 _STATUS" NVARCHAR (000006) DEFAULT '000000' NOT NULL) ONLINE PREFERRED
2WETP000 HH:mm:ss: Retcode 1: error in DDL statement for "EDOBRINCOMING" - repeat
3 ETP355 executed ( "0:00:12 (X sec)" )
2EETP345 HH:mm:ss: Retcode 1: SQL-error "308-column name already exists: MANDT: line 1 col 46 (at p
2EETP345 os 45)" in DDL statement for "EDOBRINCOMING"
2 ETP000  --------------- DB-ROLLBACK() ---------------
2EETP334 HH:mm:ss: error in DDL, nametab for "EDOBRINCOMING" not activated

2 ETP000 NOT NULL, "DOCUMENT_TYPE" NVARCHAR (000009) DEFAULT '' NOT NULL, "DESCRIPTION" NVARCHAR (0
2 ETP000 00060) DEFAULT '' NOT NULL, "LONG_TEXT" NVARCHAR (000100) DEFAULT '' NOT NULL) ONLINE PREF
2 ETP000 ERRED
2WETP000 HH:mm:ss: Retcode 1: error in DDL statement for "EDOBRREASONREJT" - repeat
3 ETP355 executed ( "0:00:12 (X sec)" )
2EETP345 HH:mm:ss: Retcode 1: SQL-error "308-column name already exists: MANDT: line 1 col 48 (at p
2EETP345 os 47)" in DDL statement for "EDOBRREASONREJT"
2 ETP000  --------------- DB-ROLLBACK() ---------------
2EETP334 HH:mm:ss: error in DDL, nametab for "EDOBRREASONREJT" not activated
1 ETP111 exit code           : "8"

Note: the objects (EDOBRINCOMING and EDOBRREASONREJT) mentioned in the error above are just examples.

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