Fatal error: Uncaught Error: Call to undefined method Database::getInstance() in /home/u101767000/domains/domus-api.shop/public_html/school/app/models/User.php:6 Stack trace: #0 /home/u101767000/domains/domus-api.shop/public_html/school/app/core/Controller.php(10): User->__construct() #1 /home/u101767000/domains/domus-api.shop/public_html/school/app/controllers/AuthController.php(5): Controller->model() #2 /home/u101767000/domains/domus-api.shop/public_html/school/app/core/App.php(21): AuthController->__construct() #3 /home/u101767000/domains/domus-api.shop/public_html/school/public/index.php(20): App->__construct() #4 {main} thrown in /home/u101767000/domains/domus-api.shop/public_html/school/app/models/User.php on line 6