Warning: Undefined variable $sesion in C:\xampp\htdocs\aplication\includes\admin\inc.top.php on line 2

Fatal error: Uncaught Error: Call to a member function getUsuario() on null in C:\xampp\htdocs\aplication\includes\admin\inc.top.php:2 Stack trace: #0 {main} thrown in C:\xampp\htdocs\aplication\includes\admin\inc.top.php on line 2