Fatal error: Uncaught Error: Call to undefined function mysql_query() in /home/cuarteto/webapps/produccion2020/conciertos_include.php:17 Stack trace: #0 /home/cuarteto/webapps/produccion2020/conciertos.php(22): include() #1 {main} thrown in /home/cuarteto/webapps/produccion2020/conciertos_include.php on line 17