Warning: require_once(/var/www/html/x_boardev4/core/../vendor/autoload.php): Failed to open stream: No such file or directory in /var/www/html/x_boardev4/core/mainModel.php on line 5

Fatal error: Uncaught Error: Failed opening required '/var/www/html/x_boardev4/core/../vendor/autoload.php' (include_path='.:/usr/share/php') in /var/www/html/x_boardev4/core/mainModel.php:5 Stack trace: #0 /var/www/html/x_boardev4/model/viewsModel.php(3): require_once() #1 /var/www/html/x_boardev4/controller/viewsController.php(2): require_once('...') #2 /var/www/html/x_boardev4/index.php(12): include('...') #3 {main} thrown in /var/www/html/x_boardev4/core/mainModel.php on line 5