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

# Use DBMS_DATAPUMP to validate
impdp user/pwd DIRECTORY=dp_dir DUMPFILE=exp.dmp SQLFILE=check.sql

If validation fails, re-export the source data.

The error occurs during an impdp operation, typically after the table has been created or truncated but before rows are inserted. It can happen with: If validation fails, re-export the source data

Resolving ORA-39126 requires moving beyond a simple retry. The DBA must adopt a forensic approach: Resolving ORA-39126 requires moving beyond a simple retry