Fatal error: Uncaught Error: Call to a member function getAttributeId() on boolean in /var/www/vhosts/igiochideigrandi.it/httpdocs/app/code/Emizentech/ShopByBrand/Model/Layer.php:72 Stack trace: #0 /var/www/vhosts/igiochideigrandi.it/httpdocs/vendor/magento/module-catalog/Block/Product/ListProduct.php(459): Emizentech\ShopByBrand\Model\Layer->getProductCollection() #1 /var/www/vhosts/igiochideigrandi.it/httpdocs/vendor/magento/module-catalog/Block/Product/ListProduct.php(116): Magento\Catalog\Block\Product\ListProduct->initializeProductCollection() #2 /var/www/vhosts/igiochideigrandi.it/httpdocs/vendor/magento/module-catalog/Block/Product/ListProduct.php(187): Magento\Catalog\Block\Product\ListProduct->_getProductCollection() #3 /var/www/vhosts/igiochideigrandi.it/httpdocs/vendor/magento/framework/View/Element/AbstractBlock.php(667): Magento\Catalog\Block\Product\ListProduct->_beforeToHtml() #4 /var/www/vhosts/igiochideigrandi.it/httpdocs/vendor/magento/framework/View/Layout.php(557): Magento\Framework\View\Element\Abstra in /var/www/vhosts/igiochideigrandi.it/httpdocs/app/code/Emizentech/ShopByBrand/Model/Layer.php on line 72