A PHP Error was encountered

Severity: Notice

Message: Undefined index: id

Filename: controllers/catalog.php

Line Number: 22

A Database Error Occurred

Error Number: 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 '-6, 6' at line 5

SELECT * FROM (`tovar`) WHERE `razdel_id` IS NULL ORDER BY `num` asc LIMIT -6, 6