Fatal error: require(): Failed opening required '/home/packagingsupplie/public_html/vendor/composer/../magento/module-checkout/registration.php' (include_path='/home/packagingsupplie/public_html/vendor/magento/zendframework1/library:.:/home/packagingsupplie/public_html/vendor/magento/zendframework1/library') in /home/packagingsupplie/public_html/vendor/composer/autoload_real.php on line 82