Fatal error: Uncaught mysqli_sql_exception: 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 '<= price_to) || (price_to = 0 && >= price_from) || (price_from <= && ...' at line 1 in /var/www/vhosts/dazzling-swirles.46-229-45-73.plesk.page/beispielhaus.de/current/includes/classes/class.mysql.php:34 Stack trace: #0 /var/www/vhosts/dazzling-swirles.46-229-45-73.plesk.page/beispielhaus.de/current/includes/classes/class.mysql.php(34): mysqli_query() #1 /var/www/vhosts/dazzling-swirles.46-229-45-73.plesk.page/beispielhaus.de/current/includes/classes/class.mysql.php(105): mySQLConn->query() #2 /var/www/vhosts/dazzling-swirles.46-229-45-73.plesk.page/beispielhaus.de/current/includes/classes/class.search_page.php(67): mySQLConn->fetch_all() #3 /var/www/vhosts/dazzling-swirles.46-229-45-73.plesk.page/beispielhaus.de/current/includes/classes/class.search_page.php(177): search_page::get_by_sql() #4 /var/www/vhosts/dazzling-swirles.46-229-45-73.plesk.page/beispielhaus.de/current/includes/classes/model/house.php(876): search_page::get_by_house() #5 /var/www/vhosts/dazzling-swirles.46-229-45-73.plesk.page/beispielhaus.de/current/includes/classes/controller/haus.php(99): model\house->getCategoryLinks() #6 /var/www/vhosts/dazzling-swirles.46-229-45-73.plesk.page/beispielhaus.de/current/includes/classes/controller/haus.php(15): controller\haus->get_content() #7 /var/www/vhosts/dazzling-swirles.46-229-45-73.plesk.page/beispielhaus.de/current/includes/classes/controller/base.php(28): controller\haus->show() #8 /var/www/vhosts/dazzling-swirles.46-229-45-73.plesk.page/beispielhaus.de/current/includes/classes/class.routing.php(7): controller\base->display() #9 /var/www/vhosts/dazzling-swirles.46-229-45-73.plesk.page/beispielhaus.de/current/index.php(82): routing::start() #10 {main} thrown in /var/www/vhosts/dazzling-swirles.46-229-45-73.plesk.page/beispielhaus.de/current/includes/classes/class.mysql.php on line 34