What triggered the Error:An attempt was made to add a column of data type that is not supported by Flashback Data Archive. Or, the table on which Flashback Data Archive is being enabled contains column(s) with data types not supported by Flashback Data Archive.
What should we do to fix it:Do not use FLASHBACK ARCHIVE clause for this object. If adding column, do not use LONG or Nested Table column data type.
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