şimdide admin paneli database eror diyo lütfen yardım

olmadı kardeş SQL sorgusu:

ALTER TABLE `administrator` ADD `userid` int( 10 ) unsigned NOT NULL default '0',
ADD PRIMARY KEY ( `userid` )

MySQL çıktısı:

#1062 - Duplicate entry '0' for key 1
bu hatayı verdi

o kodu ben vermedim tespara okuyor konuyu yazar şimdi

ALTER TABLE `userfield` 
ADD`userid` int(10) unsigned NOT NULL default '0';
ADD  PRIMARY KEY  (`userid`);

SQL sorgusu:
ALTER TABLE `userfield` ADD `userid` int( 10 ) unsigned NOT NULL default '0';


MySQL çıktısı:
#1060 - Duplicate column name 'userid'

Bu seferde bu hatayı verdi.

Nereye tıklasam db error yardım please;

Invalid SQL:

SELECT
userfield.*, usertextfield.*, user.*, UNIX_TIMESTAMP(passworddate) AS passworddate,
IF(displaygroupid=0, user.usergroupid, displaygroupid) AS displaygroupid,
language.phrasegroup_global AS phrasegroup_global,
language.phrasegroup_adv_portal AS phrasegroup_adv_portal,
language.phrasegroup_calendar AS phrasegroup_calendar,
language.phrasegroup_postbit AS phrasegroup_postbit,
language.options AS lang_options,
language.languagecode AS lang_code,
language.charset AS lang_charset,
language.locale AS lang_locale,
language.imagesoverride AS lang_imagesoverride,
language.dateoverride AS lang_dateoverride,
language.timeoverride AS lang_timeoverride,
language.registereddateoverride AS lang_registereddateoverride,
language.calformat1override AS lang_calformat1override,
language.calformat2override AS lang_calformat2override,
language.logdateoverride AS lang_logdateoverride,
language.decimalsep AS lang_decimalsep,
language.thousandsep AS lang_thousandsep

FROM user AS user
LEFT JOIN userfield AS userfield ON (user.userid = userfield.userid)
LEFT JOIN usertextfield AS usertextfield ON (usertextfield.userid = user.userid) LEFT JOIN language AS language ON (language.languageid = IF(user.languageid = 0, 2, user.languageid))

WHERE user.userid = 1;

MySQL Error : Unknown column 'language.phrasegroup_global' in 'field list'
Error Number : 1054
Request Date : Tuesday, October 7th 2008 @ 07:00:01 PM
Error Date : Tuesday, October 7th 2008 @ 07:00:01 PM

yok mu yardım edecek arkadaslar