3526786 - SUM Stops at phase EU_CLONE_MIG_DT_EXP with error invalid identifier

You are doing DMO via SUM. An error occurred in phase EU_CLONE_MIG_DT_EXP.

In the export log file, there is following error.

A2 ETSK 005 Starting export for object "<table name>" of type "table" #20211020161745
A3EEEXP 009 Task failed with error: (EXP) DbSlExeRead failed with dbrc=99
A3EEEXP 009 (EXP) SQL error = 904
A3EEEXP 009 (EXP) ORA-00904: "<table field>": invalid identifier
A3EEEXP 009 (EXP) Table name is '<table name>'

NetWeaver ABAP system.

ORA-00904, invalid identifier, EU_CLONE_MIG_DT_EXP, DMO , KBA , BC-UPG-TLS-TLA , Upgrade tools for ABAP , BC-DWB-DIC , ABAP Dictionary and ABAP CDS , Problem