ORA-01403: no data found (Indicates a missing internal dictionary mapping).
Before importing the failing table, manually create it with more forgiving attributes:
He checked the worker status. Terminated. The entire import job had stalled, frozen in a state of digital rigor mortis.
: If the default temporary tablespace is missing or empty, Data Pump cannot manage the metadata for the import job. Schema Conflicts : Attempting to import system schemas (like ) along with application data can trigger this fatal error. Privilege Issues : Sometimes granting IMP_FULL_DATABASE ORA-01403: no data found (Indicates a missing internal
: Ensure the default temporary tablespace is correctly assigned and has active tempfiles.
Issues with importing table statistics, especially on partitioned tables, can trigger this internal logic error.
Specific releases of 12c, 18c, or 19c have known bugs related to importing tables with Identity Columns or Virtual Columns. The entire import job had stalled, frozen in
The ORA-39126 error had been a dramatic messenger, screaming "Fatal Error!" and frightening the administrator, but the actual culprit was a simple lack of space. By 3:45 AM, the job finished successfully.
Compare source and target table definitions (columns, data types, partitions). Use SQLFILE parameter to extract DDL from dump:
: Specific internal bugs (such as BUG 19712212 ) have linked this error to the presence of emoticons or unusual characters within table statistics that the worker fails to process. In this instance
Invalid objects related to the Data Pump utility or XML processing can trigger this error during the "prepare" phase. Unsupported Datatypes: Tables containing specific datatypes like
When you see the full message ORA-39126: Worker unexpected fatal error in KUPW$WORKER.PREPARE_DATA_IMP [71] ORA-01403: no data found , the [71] portion is an internal sequence number of the Oracle procedure that failed. In this instance, the primary failure is often accompanied by an ORA-01403: no data found error, which indicates that the Data Pump worker is trying to locate data that does not exist in the expected location.