Something went wrong :(

Exception: 'TypeError' with message
Argument 2 passed to WinkelwagenFrontModel::getFormattedCart() must be of the type array, null given, called in /home/development/sitix/studytool/public/front/app/Winkelwagen/controller.php on line 36

Stack trace:
#0 /home/development/sitix/studytool/public/front/app/Winkelwagen/controller.php(36): WinkelwagenFrontModel->getFormattedCart()
#1 /home/development/sitix/studytool/public/front/index.php(83): WinkelwagenFrontController->index()
#2 {main}
thrown in /home/development/sitix/studytool/public/front/app/Winkelwagen/model.php on line 108

Fatal error: Uncaught Error: Class 'MailAccount' not found in /home/development/sitix/studytool/framework/core/controller.php:64 Stack trace: #0 /home/development/sitix/studytool/framework/core/libraries/exception.php(24): CoreController->__construct() #1 [internal function]: exception_handler() #2 {main} thrown in /home/development/sitix/studytool/framework/core/controller.php on line 64