Fatal error: Uncaught Error: Call to a member function prepare() on null in /home/phoneinfo/public_html/app/core/connect.php:41 Stack trace: #0 /home/phoneinfo/public_html/app/models/model.php(69): app\core\connect->query('SELECT `country...') #1 /home/phoneinfo/public_html/app/models/countries.model.php(120): app\models\Model->groupBy(Array, 10, 1) #2 /home/phoneinfo/public_html/app/models/countries.model.php(139): app\models\countriesModel->getContinents() #3 /home/phoneinfo/public_html/app/core/router.php(115): app\models\countriesModel->regionExist('iran') #4 /home/phoneinfo/public_html/app/core/router.php(21): app\core\router->defineController() #5 /home/phoneinfo/public_html/index.php(23): app\core\router->__construct() #6 /home/phoneinfo/public_html/public/index.php(3): require('/home/phoneinfo...') #7 {main} thrown in /home/phoneinfo/public_html/app/core/connect.php on line 41