WooCommerce Subscriptions - Incorrect "From" Price Display in Secondary Language/Currency for Grouped Subscriptions

Overview of the issue

In WooCommerce Subscriptions with a multilingual setup, the « From » price displayed on the frontend product page for grouped subscriptions shows an incorrect value in a secondary language and currency.

Workaround

Please, make sure of having a full backup of your site before proceeding.

• Open …/wp-content/plugins/woocommerce-multilingual/compatibility/WcSubscriptions/MulticurrencyHooks.php file.
• Look for line 85.
• Replace:

  if ( get_post_meta( $originalProductId, '_wcml_custom_prices_status', true ) ) {
  					$subscriptionSignUpFee = get_post_meta( $originalProductId, '_subscription_sign_up_fee_' . $currency, true );
  } else {
  

• With:

  if ( get_post_meta( $originalProductId, '_wcml_custom_prices_status', true ) ) {
  	$subscriptionSignUpFeeCurrency =  get_post_meta( $originalProductId, '_subscription_sign_up_fee_' . $currency, true );
  	if (! empty($subscriptionSignUpFeeCurrency) ) {
  		$subscriptionSignUpFee = $subscriptionSignUpFeeCurrency;
  	}
  } else {