Fatal error: Uncaught TypeError: imagewebp(): Argument #1 ($image) must be of type GdImage, null given in /var/www/html/classes/cart/liteCart/classes/display/class.CustomProductDetailPage.php:589 Stack trace: #0 /var/www/html/classes/cart/liteCart/classes/display/class.CustomProductDetailPage.php(589): imagewebp() #1 /var/www/html/classes/cart/liteCart/classes/display/class.CustomProductDetailPage.php(476): CustomProductDetailPage->renderAdvAttributeSelect() #2 /var/www/html/classes/cart/liteCart/classes/display/class.CustomProductDetailPage.php(419): CustomProductDetailPage->renderAdvAttribute() #3 /var/www/html/claysite/cart/classes/display/class.ProductDetailPage.php(272): CustomProductDetailPage->renderAttributesAdvanced() #4 /var/www/html/classes/cart/liteCart/classes/display/class.CustomProductDetailPage.php(310): ProductDetailPage->renderAttributes() #5 /var/www/html/classes/cart/liteCart/classes/display/class.CustomProductDetailPage.php(199): CustomProductDetailPage->renderLUSAProductPrice() #6 /var/www/html/classes/cart/liteCart/classes/display/class.CustomProductDetailPage.php(110): CustomProductDetailPage->renderBody() #7 /var/www/html/cart/product.php(9): CustomProductDetailPage->render() #8 {main} thrown in /var/www/html/classes/cart/liteCart/classes/display/class.CustomProductDetailPage.php on line 589