MySQL Error Occurred

Error Message:
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 hide=0 order by priority ASC' at line 1

SQL:
Select cat_id, cat_father_id, cat_name, noProducts, seo_custom_url from CubeCart_category where cat_father_id= and hide=0 order by priority ASC