I tried to use different server to do the exp. Now, I got different error message:

$ exp sh/sh@asdf owner=sh file=sh.dmp

Export: Release 8.1.7.2.0 - Production on Thu Mar 7 10:46:03 2002

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


Connected to: Oracle9i Enterprise Edition Release 9.0.1.1.1 - Production
With the Partitioning option
JServer Release 9.0.1.1.1 - Production
Export done in US7ASCII character set and UTF8 NCHAR character set
server uses WE8MSWIN1252 character set (possible charset conversion)

About to export specified users ...
. exporting pre-schema procedural objects and actions
. exporting foreign function library names for user SH
. exporting object type definitions for user SH
About to export SH's objects ...
. exporting database links
. exporting sequence numbers
. exporting cluster definitions
. about to export SH's tables via Conventional Path ...
. . exporting table CAL_MONTH_SALES_MV 35 rows exported
. . exporting table CHANNELS 5 rows exported
. . exporting table COSTS
. . exporting partition COSTS_Q1_1998 57879 rows exported
. . exporting partition COSTS_Q2_1998 58450 rows exported
. . exporting partition COSTS_Q3_1998 52570 rows exported
. . exporting partition COSTS_Q4_1998 65803 rows exported
. . exporting partition COSTS_Q1_1999 66940 rows exported
. . exporting partition COSTS_Q2_1999 67825 rows exported
. . exporting partition COSTS_Q3_1999 60968 rows exported
. . exporting partition COSTS_Q4_1999 75590 rows exported
. . exporting partition COSTS_Q1_2000 78468 rows exported
. . exporting partition COSTS_Q2_2000 78036 rows exported
. . exporting partition COSTS_Q3_2000 70424 rows exported
. . exporting partition COSTS_Q4_2000 54812 rows exported
. . exporting table COUNTRIES 19 rows exported
. . exporting table CUSTOMERS 50000 rows exported
. . exporting table DEPT 4 rows exported
. . exporting table EMP 14 rows exported
. . exporting table FWEEK_PSCAT_SALES_MV 149325 rows exported
. . exporting table MVIEW$_EXCEPTIONS 0 rows exported
. . exporting table MV_CAPABILITIES_TABLE 0 rows exported
. . exporting table PLAN_TABLE 0 rows exported
. . exporting table PRODUCTS 10000 rows exported
. . exporting table PROMOTIONS 501 rows exported
. . exporting table REWRITE_TABLE 0 rows exported
. . exporting table SALES
. . exporting partition SALES_Q1_1998 71805 rows exported
. . exporting partition SALES_Q2_1998 72705 rows exported
. . exporting partition SALES_Q3_1998 63390 rows exported
. . exporting partition SALES_Q4_1998 83415 rows exported
. . exporting partition SALES_Q1_1999 86217 rows exported
. . exporting partition SALES_Q2_1999 87298 rows exported
. . exporting partition SALES_Q3_1999 76139 rows exported
. . exporting partition SALES_Q4_1999 100110 rows exported
. . exporting partition SALES_Q1_2000 104544 rows exported
. . exporting partition SALES_Q2_2000 104652 rows exported
. . exporting partition SALES_Q3_2000 91260 rows exported
. . exporting partition SALES_Q4_2000 74736 rows exported
EXP-00008: ORACLE error 1455 encountered
ORA-01455: converting column overflows integer datatype
EXP-00000: Export terminated unsuccessfully