Fatal error: Uncaught Error: Call to a member function getAccessToken() on null in C:\xampp\htdocs\n-aos8\loginForm\loginForm.php:1375 Stack trace: #0 C:\xampp\htdocs\n-aos8\index.php(88): include() #1 {main} thrown in C:\xampp\htdocs\n-aos8\loginForm\loginForm.php on line 1375