Message Oracle ORA-39104 - cannot call this function from a SQL parallel query slave process

ERRORcannot call this function from a SQL parallel query slave process
CAUSECalled a Data Pump process model function from a process which is a SQL parallel query slave process
ACTIONA SQL parallel query slave process cannot create a Data Pump master process. This is not supported. If this error occurs from a Data Pump client (for example, expdp or impdp), contact Oracle Customer Support and report the error.