지블로그를 설치하고 나서 블로그생성하니 오류나옵니다. ㅠㅠ 도저히 모르겟어요

select mb_id from gb4_blog where mb_id <> 'test' and mb_id <> 'test' and use_random = 1 and post_count > 0 limit , 1

1064 : You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ' 1' at line 1

error file : /bbs/blog/index.php