ORA-39014: One or more workers have prematurely exited.
ORA-39029: worker 1 with process name “DW00” prematurely terminated
ORA-31671: Worker process DW00 had an unhandled exception.
ORA-04030: out of process memory when trying to allocate 16048 bytes (session heap,kuxLpxAlloc)
ORA-06512: at “SYS.KUPW$WORKER”, line 1887
ORA-06512: at line 2
This seems to be an Oracle bug.
If you don’t have a requirement to import such a password history to the new schema, perform impdp with: