woocommerce-subscriptions/includes/admin/meta-boxes/views/html-unknown-related-orders-row.php

<?php
/**
 * Display a row in the related orders table for a unknown subscription or order.
 *
 * @var int $order_id A WC_Order or WC_Subscription order id.
 * @var string $relationship The order's or subscription's relationship.
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly
}

?>
<tr>
	<td>
		<?php echo sprintf( esc_html_x( '#%s', 'hash before order number', 'woocommerce-subscriptions' ), esc_html( $order_id ) ); ?>
		<div class="wcs-unknown-order-info-wrapper">
			<a href="https://docs.woocommerce.com/document/subscriptions/orders/#section-8"><?php echo wcs_help_tip( sprintf( "This %s couldn't be loaded from the database. %s Click to learn more.", $relationship, '</br>' ) ); ?></a>
		</div>
	</td>
	<td><?php echo esc_html( $relationship ); ?></td>
	<td>&mdash;</td>
	<td>&mdash;</td>
	<td>&mdash;</td>
</tr>