Fatal error: Uncaught Error: Call to a member function query() on null in /home/galinfo/bacherzoppi-media/tablas2.php:311 Stack trace: #0 /home/galinfo/bacherzoppi-media/tablas2.php(327): valores(NULL, 'entrada', NULL) #1 {main} thrown in /home/galinfo/bacherzoppi-media/tablas2.php on line 311