Unable to get attachment information.

DEBUG MODE

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 'AND user_id_2 = 0' at line 3

SELECT count(*) AS total FROM phpbb_attachments WHERE user_id_1 = AND user_id_2 = 0

Line : 250
File : anketa.php