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 '-11, 11' at line 9 in /www/doc/magazin.dobre-knihy.cz/www/libs/func.php:517 Stack trace: #0 /www/doc/magazin.dobre-knihy.cz/www/libs/func.php(517): PDO->prepare('SELECT c.*, au....') #1 /www/doc/magazin.dobre-knihy.cz/www/index.php(130): getClankyByZanr(Object(PDO), 11, -11, 'prirodni-vedy-4...') #2 {main} thrown in /www/doc/magazin.dobre-knihy.cz/www/libs/func.php on line 517