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/destia/destinosemergentes/config/clases/db.php:75 Stack trace: #0 /var/www/destia/destinosemergentes/config/clases/db.php(75): mysqli_query() #1 /var/www/destia/destinosemergentes/config/clases/gde.php(43): db->query() #2 /var/www/destia/destinosemergentes/app/views/tour/t2/ver-tour.php(9): Gde->obtenerProductoById() #3 /var/www/destia/destinosemergentes/config/functions.php(253): include_once('...') #4 /var/www/destia/destinosemergentes/config/routes.php(107): cargar_views() #5 /var/www/destia/destinosemergentes/index.php(327): include('...') #6 {main} thrown in /var/www/destia/destinosemergentes/config/clases/db.php on line 75