windows oracle 8i 客服端联 oracle7 for sco unix,exp 出错！

obuy

我用sqlplus cnfts/cnfts@oraconet很正常。
但用
exp userid=cnfts/cnfts@oraconet file=A.dmp

Export: Release 8.1.7.0.0 - Production on Tue Feb 25 06:32:34 2003

(c) Copyright 2000 Oracle Corporation. All rights reserved.


EXP-00008: ORACLE error 942 encountered
ORA-00942: table or view does not exist
EXP-00024: Export views not installed, please notify your DBA
EXP-00000: Export terminated unsuccessfully
报错这是为什么？