oracle9i导入数据时发生这样的错误,再次百分求助

oracle9i导入数据时发生这样的错误:
REM Maxinst started Wed Jul 16 03:14:54 GMT 2008 for schema MAXIMO
REM Maxinst connected to database jdbc:oracle:thin:@linlinswork:1521:maxdemo
ALTER SESSION SET NLS_DATE_FORMAT = 'YYYY-MM-DD HH24-MI.SS'
;
call ctx_ddl.drop_preference('global_lexer')
;
call ctx_ddl.drop_preference('default_lexer')
;
call ctx_ddl.drop_preference('english_lexer')
;
call ctx_ddl.drop_preference('chinese_lexer')
;
call ctx_ddl.drop_preference('japanese_lexer')
;
call ctx_ddl.drop_preference('korean_lexer')
;
call ctx_ddl.drop_preference('german_lexer')
;
call ctx_ddl.drop_preference('dutch_lexer')
;
call ctx_ddl.drop_preference('swedish_lexer')
;
call ctx_ddl.drop_preference('french_lexer')
;
call ctx_ddl.drop_preference('italian_lexer')
;
call ctx_ddl.drop_preference('spanish_lexer')
;
call ctx_ddl.drop_preference('portu_lexer')
;
call ctx_ddl.create_preference('default_lexer','basic_lexer')
;
call ctx_ddl.create_preference('english_lexer','basic_lexer')
;
call ctx_ddl.create_preference('chinese_lexer','chinese_lexer')
;
call ctx_ddl.create_preference('japanese_lexer','japanese_lexer')
;
call ctx_ddl.create_preference('korean_lexer','korean_lexer')
;
call ctx_ddl.create_preference('german_lexer','basic_lexer')
;
call ctx_ddl.create_preference('dutch_lexer','basic_lexer')
;
call ctx_ddl.create_preference('swedish_lexer','basic_lexer')
;
call ctx_ddl.create_preference('french_lexer','basic_lexer')
;
call ctx_ddl.create_preference('italian_lexer','basic_lexer')
;
call ctx_ddl.create_preference('spanish_lexer','basic_lexer')
;
call ctx_ddl.create_preference('portu_lexer','basic_lexer')
;
call ctx_ddl.create_preference('global_lexer', 'multi_lexer')
;
call ctx_ddl.add_sub_lexer('global_lexer','default','default_lexer')
;
REM ORA-06502: PL/SQL: 数字或值错误 
ORA-06512: 在line 1REM Maxinst completed with errors Wed Jul 16 03:14:55 GMT 2008请各位高手看看是何原因