With the release of WooCommerce 4.0, these reports are being replaced. There is a new and better Analytics section available for users running WordPress 5.3+. Head on over to the <a href="%1$s">WooCommerce Analytics</a> or learn more about the new experience in the <a href="https://docs.woocommerce.com/document/woocommerce-analytics/" target="_blank">WooCommerce Analytics documentation</a>.