Fatal error: Uncaught TypeError: Argument 2 passed to Graham\Social\Plugin\ShareWishlistPlugin::afterGetWishlist() must be an instance of Magento\Wishlist\Model\Wishlist, boolean given, called in /domains/grahamandgreen.co.uk/___deploy/releases/20190716061131/vendor/magento/framework/Interception/Interceptor.php on line 146 and defined in /domains/grahamandgreen.co.uk/___deploy/releases/20190716061131/app/code/Graham/Social/Plugin/ShareWishlistPlugin.php:39 Stack trace: #0 /domains/grahamandgreen.co.uk/___deploy/releases/20190716061131/vendor/magento/framework/Interception/Interceptor.php(146): Graham\Social\Plugin\ShareWishlistPlugin->afterGetWishlist(Object(Magento\Wishlist\Controller\Shared\WishlistProvider\Interceptor), false) #1 /domains/grahamandgreen.co.uk/___deploy/releases/20190716061131/vendor/magento/framework/Interception/Interceptor.php(153): Magento\Wishlist\Controller\Shared\WishlistProvider\Interceptor->Magento\Framework\Interception\{closure}() #2 /domains/grahamandgreen.co.uk/___deploy/releases/201907160 in /domains/grahamandgreen.co.uk/___deploy/releases/20190716061131/app/code/Graham/Social/Plugin/ShareWishlistPlugin.php on line 39