Oracle : Ошибка ORA-31679

"Table data object %s has long columns, and longs can not be loaded/unloaded using a network link"
*Cause: Table data objects that contain long columns can not be selected
over a network link.
*Action: Export this table to a file and then import the same table from
the file.

Попробовать перевести

Поискать эту ошибку на форуме