Ora-39126 Worker Unexpected Fatal Error In Kupw-worker.prepare-data-imp 71 • Works 100%

Re-run the impdp command with these parameters to pinpoint exactly when the failure occurs. 3. Top Solutions for ORA-39126 [71]

Since the error is internal, invalid SYS packages are a prime suspect. Re-run the impdp command with these parameters to

Try adding ACCESS_METHOD=EXTERNAL_TABLE or ACCESS_METHOD=DIRECT_PATH. Re-run the impdp command with these parameters to

ORA-39126: Worker unexpected fatal error in KUPW-Worker.Prepare-Data-Imp 71 Re-run the impdp command with these parameters to

This error typically arises from an unexpected state within the database metadata, a bug in the Data Pump utility, or environmental configuration discrepancies. The most common underlying causes include:

Essentially, the Data Pump worker is trying to prepare the environment to move data, but it encounters an internal exception—often a bug or a metadata inconsistency—that it cannot handle. Common Causes

This specific error is frequently linked to metadata inconsistencies or environment-specific bugs: