i just finally installed ORACLE 9.0.1 and I am having the above error when I try to login as sys or system. Can anyone give me some pointers as to what might have happened and what I could do to correct it.
NLS_LANG is wrong. Check if you have _ (underscore) You might have put a - (dash) my mistake.
If you use unix then:
check NLS_LANG variable in (.profile, .bash_profile, .login)
If you use Win box then:
check NLS_LANG variable in windows register
local mashine -- oracle -- NLS_LANG
List of valid values u van find in (for example):
if u have valid oracle account from any client boxes u can get list of valid values for NLS_LANG in
select * from v$nls_valid_values;
It was an error in the users guide..
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