streams_pool_size = 10M

ORA-31626: job does not exist
ORA-31637: cannot create job SYS_EXPORT_SCHEMA_01 for user SYSTEM
ORA-06512: at "SYS.DBMS_SYS_ERROR", line 95
ORA-06512: at "SYS.KUPV$FT_INT", line 798
ORA-39080: failed to create queues "KUPC$C_1_20130902103057" and "KUPC$S_1_20130902103057" for Data Pump job
ORA-06512: at "SYS.DBMS_SYS_ERROR", line 95
ORA-06512: at "SYS.KUPC$QUE_INT", line 1530
ORA-00832: no streams pool created and cannot automatically create one