IMP errors

Dear all,

I am exported the schema and import into another schema on the same database. I get this error. Can any one tell me why is this error?

Import: Release 9.2.0.1.0 - Production on Wed Mar 28 21:16:07 2007

Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved.

Connected to: Oracle9i Enterprise Edition Release 9.2.0.8.0 - 64bit Production
With the Partitioning, OLAP and Oracle Data Mining options
JServer Release 9.2.0.8.0 - Production

Export file created by EXPORT:V09.02.00 via conventional path
import done in WE8MSWIN1252 character set and AL16UTF16 NCHAR character set
. importing RAVENPRD's objects into RAVENTST
IMP-00003: ORACLE error 3120 encountered
ORA-03120: two-task conversion routine: integer overflow
IMP-00003: ORACLE error 3120 encountered
ORA-03120: two-task conversion routine: integer overflow
IMP-00003: ORACLE error 3120 encountered
ORA-03120: two-task conversion routine: integer overflow
IMP-00000: Import terminated unsuccessfully

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