:(
Es ist ein Fehler aufgetreten.
undefined method `children' for nil:NilClass @product = category.products.where(show_in_shop: true).find_by_sku(params[:sku]).children.where(show_in_shop: true).find_by_sku(params[:variant_sku]) ^^^^^^^^^
undefined method `children' for nil:NilClass @product = category.products.where(show_in_shop: true).find_by_sku(params[:sku]).children.where(show_in_shop: true).find_by_sku(params[:variant_sku]) ^^^^^^^^^