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

If the error persists during the statistics processing phase, bypass it by adding the following parameter to your impdp command: EXCLUDE=STATISTICS

To avoid this error in the future:

is a generic "unhandled exception" within the Data Pump worker process, typically occurring during the initial setup of an import job. While the code If the error persists during the statistics processing

: Stale dictionary or fixed object statistics can confuse the Data Pump worker process during the "prepare" phase. If the error persists during the statistics processing

Corrupt statistics can cause the worker to miscalculate data preparation. Run the following as SYSDBA: If the error persists during the statistics processing

impdp ... SQLFILE=create_tables.sql

ORA-39126 is a Data Pump error that occurs when there is an issue with the worker process. Here's a breakdown of the error: