Fatal error: Uncaught Error: Call to a member function query() on null in C:\Apache24\htdocs\soitec\persistencia\MatriculaDAO.php:113 Stack trace: #0 C:\Apache24\htdocs\soitec\src\frmMatricula.php(19): MatriculaDAO->consultaModUsuario() #1 {main} thrown in C:\Apache24\htdocs\soitec\persistencia\MatriculaDAO.php on line 113