Fatal error: Uncaught Error: Class 'fcpayone_adminview' not found in /www/shop/vendor/payone-gmbh/oxid-6/application/controllers/admin/fcpayone_admin.php:21 Stack trace: #0 {main} thrown in /www/shop/vendor/payone-gmbh/oxid-6/application/controllers/admin/fcpayone_admin.php on line 21