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

He refreshed the logs. Everything looked perfect. Total processed: 88%. Then, the cursor stopped blinking.

Oracle Data Pump is a cornerstone utility for database administrators, enabling high-speed movement of data and metadata between Oracle databases. Its reliability is generally exceptional, but encountering an error such as can be a perplexing and frustrating experience. This essay explores the nature of this error, its typical causes, and the systematic approach required to resolve it. Unlike syntax errors or permission denials, this error signals an internal inconsistency within the Data Pump worker process, demanding a deeper diagnostic strategy. He refreshed the logs

Also, reduce the number of parallel workers: its typical causes