Oracle Database Discussions

Hi,

I got an error while exporting failed,

ORA-39125: Worker unexpected fatal error in KUPW$WORKER.UNLOAD_METADATA while calling DBMS_METADATA.FETCH_XML_CLOB [SEQUENCE:"SYSTEM2"."TEST1"]
ORA-00904: : invalid identifier
ORA-06512: at "SYS.DBMS_SYS_ERROR", line 105
ORA-06512: at "SYS.KUPW$WORKER", line 6313
----- PL/SQL Call Stack -----
object line object
handle number name
70000007ec87d18 15032 package body SYS.KUPW$WORKER
70000007ec87d18 6372 package body SYS.KUPW$WORKER
70000007ec87d18 2396 package body SYS.KUPW$WORKER
70000007ec87d18 6944 package body SYS.KUPW$WORKER
70000007ec87d18 1314 package body SYS.KUPW$WORKER
70000007a197160 2 anonymous block
Job "SYSTEM2"."SYS_EXPORT_SCHEMA_06" stopped due to fatal error at 07:00:06

check trace file,

*** ACTION NAME:(SYS_EXPORT_SCHEMA_06) 2010-09-28 07:00:06.760
*** MODULE NAME:(Data Pump Worker) 2010-09-28 07:00:06.760
*** SERVICE NAME:(SYS$USERS) 2010-09-28 07:00:06.760
*** SESSION ID:(551.10947) 2010-09-28 07:00:06.760
ORA-39125: Worker unexpected fatal error in KUPW$WORKER.UNLOAD_METADATA while calling DBMS_METADATA.FETCH_XML_CLOB [SEQUENCE:"SYSTEM2"."TEST1"]
ORA-00904: : invalid identifier
ORA-06512: at "SYS.DBMS_SYS_ERROR", line 105
ORA-06512: at "SYS.KUPW$WORKER", line 6313
----- PL/SQL Call Stack -----
object line object
handle number name
70000007ec87d18 15032 package body SYS.KUPW$WORKER
70000007ec87d18 6372 package body SYS.KUPW$WORKER
70000007ec87d18 2396 package body SYS.KUPW$WORKER
70000007ec87d18 6944 package body SYS.KUPW$WORKER
70000007ec87d18 1314 package body SYS.KUPW$WORKER
70000007a197160 2 anonymous block
kwqaadqrs: error 39119 during add rule
~

I checked SYS.KUPW$WORKER and SYS.DBMS_SYS_ERROR, they are all vaild objects.

any help?

database is 10.2.0.4 in AIX 5.3
Thank you
Roy