Fatal error: Uncaught Error: Class 'OxidEsales\Eshop\Application\Controller\FrontendController' not found in /www/shop/vendor/oxid-esales/paypal-module/Controller/FrontendController.php:26 Stack trace: #0 {main} thrown in /www/shop/vendor/oxid-esales/paypal-module/Controller/FrontendController.php on line 26