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DataPump Fails With Error ORA-39779 While Importing The Staging Table (Doc ID 1420830.1)

Last updated on MAY 17, 2021

Applies to:

Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Oracle Database - Enterprise Edition - Version to [Release 10.2 to 11.2]
Information in this document applies to any platform.

NOTE: In the images and/or the document content below, the user information and data used represents fictitious data. Any similarity to actual persons, living or dead, is purely coincidental and not intended in any manner.


 You try to move the staging table (STS) using the DataPump export/import and during the import execution the following error is raised:

ORA-31693: Table data object "<SCHEMA_NAME>"."<STAGING_TABLE_NAME>" failed to load/unload and is being skipped due to error:
ORA-02354: error in exporting/importing data
ORA-39779: type "<SCHEMA>"."<TYPE_NAME>" not found or conversion to latest version is not possible

The example below shows the issue:

Note: The import runs successfully with the same test case, when source database is created with NLS_LENGTH_SEMANTICS=CHAR and target database is




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