请问高手们，遇到下列问题有什么解决方法？
谢谢！
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环境:
OS: AIX 5.3 TL04
DB: Oracle 10.2.0.2
问题：
运行impdp有下列错误：
Processing object type SCHEMA_EXPORT/TABLE/CONSTRAINT/REF_CONSTRAINT
Processing object type SCHEMA_EXPORT/TABLE/TRIGGER
ORA-39125: Worker unexpected fatal error in KUPW$WORKER.PUT_DDLS while calling DBMS_METADATA.CON
VERT []
ORA-06502: PL/SQL: numeric or value error
LPX-00241: entity reference is not well formed
ORA-06512: at "SYS.DBMS_SYS_ERROR", line 95
ORA-06512: at "SYS.KUPW$WORKER", line 6235
----- PL/SQL Call Stack -----
object line object
handle number name
700000020c6bc00 14916 package body SYS.KUPW$WORKER
700000020c6bc00 6300 package body SYS.KUPW$WORKER
700000020c6bc00 12279 package body SYS.KUPW$WORKER
700000020c6bc00 3279 package body SYS.KUPW$WORKER
700000020c6bc00 6889 package body SYS.KUPW$WORKER
700000020c6bc00 1262 package body SYS.KUPW$WORKER
700000020c6c850 2 anonymous block
