Please change in files:

goodstore/templates/woocommerce/content-product-0.php lines 35 and 45
goodstore/templates/woocommerce/content-product-1.php lines 35 and 43
goodstore/templates/woocommerce/content-product-2.php lines 33 and 42

“woo-size” to “shop_single”

and in

goodstore/templates/woocommerce/content-product-10.php lines 34 and 43

“woo-size-category” to “shop_single”