Ora-39126 Worker Unexpected Fatal Error In Kupw-worker.prepare-data-imp 71

Troubleshooting ORA-39126: Worker Unexpected Fatal Error in KUPW$WORKER.PREPARE_DATA_IMP [71]

5. Spatial Data (Oracle Spatial) Issues

The error code 71 is historically linked to spatial index or geometry validation issues. If your dump contains SDO_GEOMETRY columns and the target lacks Spatial components or has corrupted metadata, this error arises.

3. Identify the Failing Table

Look for the table name in the error context or use:

Or:

Example:

Mark leaned back, his coffee cold and his eyes burning, and closed the laptop. The ghost was gone. 🛠️ Key Takeaways for ORA-39126 [71]