m2p-fix-for-wc-invalid-subscription.php

<?php
/**
* Plugin Name: Membership - Fixed woocommerce Invalid Subscription issue
* Description: Membership - Fixed woocommerce Invalid Subscription issue
* Author: Ariful Islam @ WPMUDEV
* Author URI: https://premium.wpmudev.org/profile/itsarifulislam
* License: GPLv2 or later
*/

add_filter( 'ms_rule_memberroles_model_modify_caps', function( $real_caps, $caps ) {

	global $wp;

	if ( ! isset($wp->query_vars['view-subscription']) || 'shop_subscription' != get_post_type(absint($wp->query_vars['view-subscription'])) ) return $real_caps;

	foreach ( $caps as $key => $value ) {
		if ( $value == 'view_order' ) $real_caps[$value] = 1;
	}

	return $real_caps;

}, 2, 10 );