ERROR on single product page

Notice: id was called incorrectly. Product properties should not be accessed directly. Backtrace: require(‘wp-blog-header.php’), require_once(‘wp-includes/template-loader.php’), include(‘/themes/sunna-mask-theme/woocommerce/single-product.php’), wc_get_template_part, load_template, require(‘/themes/sunna-mask-theme/woocommerce/content-single-product.php’), do_action(‘woocommerce_before_single_product_summary’), WP_Hook->do_action, WP_Hook->apply_filters, Woocommerce_Product_Gallery_Public->build_gallery_images, WC_Abstract_Legacy_Product->__get, wc_doing_it_wrong Please see Debugging in WordPress for more information. (This message was added in version 3.0.) in C:\xampp\htdocs\wordpress\sm\wp-includes\functions.php on line 5225

Deprecated: WC_Product::get_gallery_attachment_ids is deprecated since version 3.0! Use WC_Product::get_gallery_image_ids instead. in C:\xampp\htdocs\wordpress\sm\wp-includes\functions.php on line 4773

Notice: Undefined variable: tpwpg_youtube_url in C:\xampp\htdocs\wordpress\sm\wp-content\plugins\tp-woocommerce-product-gallery\public\class-woocommerce-product-gallery-public.php on line 258

Notice: Undefined variable: tpwpg_youtube_url in C:\xampp\htdocs\wordpress\sm\wp-content\plugins\tp-woocommerce-product-gallery\public\class-woocommerce-product-gallery-public.php on line 258

Notice: Undefined variable: tpwpg_youtube_url in C:\xampp\htdocs\wordpress\sm\wp-content\plugins\tp-woocommerce-product-gallery\public\class-woocommerce-product-gallery-public.php on line 258

Notice: Undefined variable: tpwpg_youtube_url in C:\xampp\htdocs\wordpress\sm\wp-content\plugins\tp-woocommerce-product-gallery\public\class-woocommerce-product-gallery-public.php on line 258