ORA-31626 - ORA-31650

Error is as below:-
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-bash-3.00$ expdp "'/ as sysdba'" directory=backup dumpfile=full_expor_1.dmp
logfile=full_export_1.log schemas=scoot

Export: Release 10.2.0.1.0 - Production on Monday, 14 September, 2009 11:04:37
Copyright (c) 2003, 2005, Oracle. All rights reserved.
Connected to: Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, OLAP and Data Mining options
ORA-31626: job does not exist
ORA-31650: timeout waiting for master process response

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solution :-
select Table_name from dba_tables where table_name like '%EXPORT%' and owner='SYS';

Delete all the Table Created by Export Utility while Creating the Metadata.