[For 1.6] ProfileComments

[Aroel]

This user has been denied support.

Hei sir , i think i found bug (SQL error) in profile comments Version: 0.9.1

If i visit http://www.teleportz.com.ar/mybb/member....e&uid=9999

error

MyBB SQL Error

MyBB has experienced an internal SQL error and cannot continue.

SQL Error:
    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 'LIMIT 1' at line 1
Query:
    SELECT COUNT(mid) AS quantity FROM mybb_profilecomments WHERE sender = LIMIT 1

Please contact the MyBB Group for support.

same for my site