Symptoms:
DataPump job fails with the following errors:
[oracle@ebsdb01 expdp]$ expdp system/manager tables=employees directory=EXPDP dumpfile=emp_data.dmp logfile=expdp.log
Export: Release 11.2.0.4.0 - Production on Thu Jun 10 15:19:55 2021
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Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
ORA-39006: internal error
ORA-39065: unexpected master process exception in DISPATCH
ORA-01403: no data found
ORA-39097: Data Pump job encountered unexpected error 100