Fatal error: Uncaught mysqli_sql_exception: 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 '' at line 1 in /var/www/php/classes/database.php:82
Stack trace:
#0 /var/www/php/classes/database.php(82): mysqli_query()
#1 /var/www/php/classes/database.php(141): Database->executeQuery()
#2 /var/www/php/classes/tour.php(493): Database->executeQueryAndReturnSingleValue()
#3 /var/www/php/classes/route.php(1099): Tour->getInfo()
#4 /var/www/php/classes/route.php(613): Route->getTourInfo()
#5 /var/www/php/classes/route.php(741): Route->getArray()
#6 /var/www/php/classes/router.php(125): Route->render()
#7 /var/www/index.php(37): Router->route()
#8 {main}
thrown in /var/www/php/classes/database.php on line 82