Fatal error: Uncaught Error: Call to a member function prepare() on null in C:\xampp\htdocs\tuobra\librerias\db.class.inc.php:30
Stack trace:
#0 C:\xampp\htdocs\tuobra\librerias\query.class.inc.php(63): db->query('SELECT `ID`, `N...')
#1 C:\xampp\htdocs\tuobra\include\forms\buscar-licitaciones.php(5): querys->traerMultiplesResultados('SELECT `ID`, `N...', NULL)
#2 C:\xampp\htdocs\tuobra\modulos\licitaciones.php(20): include('C:\\xampp\\htdocs...')
#3 {main}
thrown in C:\xampp\htdocs\tuobra\librerias\db.class.inc.php on line 30