The following is the EXP-00098 error message, you can learn the cause and solution of the Oracle Exp error.
EXP-00098: Data in table has not been upgraded, table will not be exported
Cause: Export is attempting to process a table containing references to a type which has evolved. In order for Export to process the table successfully, all data within each table must be upgraded to the latest revision of each referenced type.
Solution: The table must be updated using ALTER TABLE UPGRADE DATA.
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