Fatal error: Uncaught Magento\Framework\Exception\LocalizedException: Must be category model instance or its id. in /home/www/html/vendor/magento/module-catalog/Model/Layer.php:230 Stack trace: #0 /home/www/html/generated/code/Schmuckkontor/Shop/Model/LayerCategory/Interceptor.php(102): Magento\Catalog\Model\Layer->setCurrentCategory('vintage-verlobu...') #1 /home/www/html/lite/classes/Controller/Product.php(233): Schmuckkontor\Shop\Model\LayerCategory\Interceptor->setCurrentCategory('vintage-verlobu...') #2 /home/www/html/lite/classes/Controller.php(128): Controller_Product->categoryAction('vintage-verlobu...') #3 /home/www/html/lite/classes/Controller/Product.php(13): Controller->dispatch() #4 /home/www/html/lite/classes/MagentoLite.php(265): Controller_Product->dispatch() #5 /home/www/html/lite/index.php(36): MagentoLite::run() #6 /home/www/html/index.php(41): include('/home/www/html/...') #7 {main} thrown in /home/www/html/vendor/magento/module-catalog/Model/Layer.php on line 230