oracle 에서 imp 할대 에러가 나는데 원인이? 케릭터 셋은 어디

imp aaa/aaa file=aaaaaaa.dmp

Import Release 9.2.0.4.0 - Production on Wed Dec 17 153139 2003

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

Connected to Oracle9i Release 9.2.0.4.0 - 64bit Production
JServer Release 9.2.0.4.0 - Production

Export file created by EXPORTV09.02.00 via conventional path
import done in KO16KSC5601 character set and AL16UTF16 NCHAR character set
IMP-00031 Must specify FULL=Y or provide FROMUSER/TOUSER or TABLES arguments
IMP-00000 Import terminated unsuccessfully