Fatal error: Uncaught PDOException: SQLSTATE[42000]: Syntax error or access violation: 1064 You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '-30' at line 1 in /home/wpx2/sakura-k.net/public_html/includes/class_db.php:47 Stack trace: #0 /home/wpx2/sakura-k.net/public_html/includes/class_db.php(47): PDO->query('SELECT * FROM d...') #1 /home/wpx2/sakura-k.net/public_html/templates/page_category.php(26): database->get_post_list('30', 'post_date DESC', -30, 300) #2 /home/wpx2/sakura-k.net/public_html/includes/page_branch.php(21): include('/home/wpx2/saku...') #3 /home/wpx2/sakura-k.net/public_html/index.php(35): include('/home/wpx2/saku...') #4 {main} thrown in /home/wpx2/sakura-k.net/public_html/includes/class_db.php on line 47