3394760 - Table conversion during phase PARCONV_UPG of the upgrade to S/4HANA 2023 terminates with table database object inconsistency

During an upgrade to S/4HANA 2023, the phase PARCONV_UPG terminates with the following error during a table conversion (with table AUAB for example):

# Find the detailed information in log 'NCONV00.SID':

2 EGT054XRequest: Convert "Table AUAB (DDIC/XX.YY.ZZ/XX:YY)"
4 EDA656 Analysis strategy: "CL_DD_DIST_STRATEGY_STANDARD"
4 EDA600 ALTER TABLE is not possible
4 EGT158 Converter class used: "CL_DD_TABLE_CNV_STEPS_TTF_HDB"
2EEGT264 Database object for table "AUAB" is inconsistent
2 EGT067 Request for "AUAB" could not be executed

S/4HANA 2023 on-Premise

upgrade, S/4HANA, S/4HANA 2023, PARCONV_UPG, conversion, AUAB, error, database object, inconsistent, CL_DD_DIST_STRATEGY_STANDARD, DD_REPAIR_TABL_DEFAULT_VALUES, NCONV00, ALTER TABLE,  , KBA , BC-DWB-DIC , ABAP Dictionary and ABAP CDS , Problem