Warning: Undefined variable $sql in /var/www/vhosts/albertomunoz.com/clientes.albertomunoz.com/src/class/SessionControl.php on line 168

Fatal error: Uncaught ValueError: mysqli::query(): Argument #1 ($query) cannot be empty in /var/www/vhosts/albertomunoz.com/clientes.albertomunoz.com/src/class/SessionControl.php:168 Stack trace: #0 /var/www/vhosts/albertomunoz.com/clientes.albertomunoz.com/src/class/SessionControl.php(168): mysqli->query() #1 /var/www/vhosts/albertomunoz.com/clientes.albertomunoz.com/src/class/SessionControl.php(39): SessionControl->clear_old() #2 /var/www/vhosts/albertomunoz.com/clientes.albertomunoz.com/src/class/Bender.php(519): SessionControl->__construct() #3 /var/www/vhosts/albertomunoz.com/clientes.albertomunoz.com/app/routes.php(68): Bender->newSessionControl() #4 /var/www/vhosts/albertomunoz.com/clientes.albertomunoz.com/public/index.php(48): require('...') #5 {main} thrown in /var/www/vhosts/albertomunoz.com/clientes.albertomunoz.com/src/class/SessionControl.php on line 168