MySQL error in file: /engine/engine.php at line 801

Error Number: 1064

The Error returned was:
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 title LIKE 'Б%' ORDER BY id DESC' at line 1

SQL query:

SELECT * FROM dle_post WHERE category IN() and title LIKE 'Б%' ORDER BY id DESC