[PrestaShopException]

Invalid category vars
at line 388 in file classes/Link.php

383.             if (is_array($category) && isset($category['id_category'])) {
384.                 $category = new Category($category, $idLang);
385.             } elseif ((int) $category) {
386.                 $category = new Category((int) $category, $idLang);
387.             } else {
388.                 throw new PrestaShopException('Invalid category vars');
389.             }
390.         }
391. 
392.         return $category;
393.     }