Fatal error: Uncaught Error: Call to a member function query() on null in C:\Apache24\htdocs\soitec\persistencia\CtmDAO.php:1102 Stack trace: #0 C:\Apache24\htdocs\soitec\src\formlancmatriz.php(9): CtmDAO->listaCtmlan() #1 {main} thrown in C:\Apache24\htdocs\soitec\persistencia\CtmDAO.php on line 1102