Теперь вот что выходит:
SQL Error: Incorrect integer value: '' for column 'avatar' at row 1 at T:\home\virtual\labcms\kernel\classes\Db.php line 146
Array
(
Text
=> 1366
[message] => Incorrect integer value: '' for column 'avatar' at row 1
[query] => INSERT INTO labcms__users ( `user_id` , `group_id` , `login` , `pass` , `email` , `register_date` , `last_visit` , `avatar` , `icq` , `website` , `aim` , `yim` , `jabber` , `msnm` , `skype` , `status` , `actkey` , `new_pass` , `realname` , `custom1` , `custom2` , `custom3` )VALUES ('-1', '-1', '', '', '', '0000-00-00 00:00:00', '0000-00-00 00:00:00', '', '', '', '', '', '', '', '', '1', '', '', '', '', '', '');
[context] => T:\home\virtual\labcms\kernel\classes\Db.php line 146
)