Por que recebo erros no product.thumbnails.php?

Eu estou usando o tema Flatsome e obtendo 404s no plugin de redirecionamento com o erro sendo incluído no final da url, entrei em contato com o desenvolvedor, sem resposta ainda e estou preocupado com isso pode estar prejudicando o meu SEO.

Aviso : Variável indefinida: src em /.../wp-content/themes/flatsome/woocommerce/single-product/product-thumbnails.php/ on line 48

product-thumbnails.php

  get_gallery_attachment_ids(); if ( $attachment_ids ) { $loop = 0; $columns = apply_filters( 'woocommerce_product_thumbnails_columns', 4 ); $arrows = ''; $thumb_count = count($attachment_ids)+1; if($thumb_count  <ul class="product-thumbnails  thumbnails js-flickity slider-nav-small" data-flickity-options='{ "cellAlign": "left", "wrapAround": false, "autoPlay": false, "prevNextButtons":true, "asNavFor": ".product-gallery-slider", "percentPosition": true, "imagesLoaded": true, "pageDots": false, "selectedAttraction" : 0.1, "friction": 0.6, "rightToLeft": false, "contain": true }' > 
  • <a href="https://wordpress.stackexchange.com//questions/237522/why-am-i-getting-errors-in-product-thumbnails-php/">ID, apply_filters( 'single_product_small_thumbnail_size', 'shop_thumbnail' ) ) ?>
  • $image_title, 'alt' => $image_title ) ); $image_class = esc_attr( implode( ' ', $classs ) ); echo apply_filters( 'woocommerce_single_product_image_thumbnail_html', sprintf( '
  • https://wordpress.stackexchange.com//questions/237522/why-am-i-getting-errors-in-product-thumbnails-php/%s
  • ', $image_link, $image_class, $image_caption, $image ), $attachment_id, $post->ID, $image_class ); $loop++; } ?>

    Eu comentei, mas ainda faltam erros.

    Solutions Collecting From Web of "Por que recebo erros no product.thumbnails.php?"