Warning: Undefined variable $con in /usr/local/www/apache24/data/prod/src/include/parametros.inc on line 16

Fatal error: Uncaught TypeError: mysqli_query(): Argument #1 ($mysql) must be of type mysqli, null given in /usr/local/www/apache24/data/prod/src/include/parametros.inc:16 Stack trace: #0 /usr/local/www/apache24/data/prod/src/include/parametros.inc(16): mysqli_query(NULL, Object(mysqli), 'Select * from C...') #1 /usr/local/www/apache24/data/prod/src/include/config.inc(25): Carrega_Parametros('config') #2 /usr/local/www/apache24/data/prod/src/index.php(15): require_once('/usr/local/www/...') #3 {main} thrown in /usr/local/www/apache24/data/prod/src/include/parametros.inc on line 16