Oracle : Ошибка ORA-31523

"could not find change source %s for CDC change set %s"
*Cause: The change source was missing for an imported
Change Data Capture change set.
*Action: Drop the imported change set because it is invalid.
Verify that the schema containing the missing change source
was included in the original export. If needed, perform the
export again, including the schema of the missing change source.

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