WooCommerce Bookings - Fatal Error on Booking Cancellation

Overview of the issue

A fatal error occurs when canceling a booking in WooCommerce Bookings if the booking resource is not translated:

Uncaught Error: Call to a member function get_resource_label() on null in .../wp-content/plugins/woocommerce-bookings/templates/emails/customer-booking-cancelled.php:49

Workaround

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

• Open …/wp-content/plugins/woocommerce-multilingual/compatibility/WcBookings/class-wcml-bookings.php file.
• Look for line 937.
• Replace:

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  if ( $booking_product_id ) {     $trnsl_booking_product_id = apply_filters( 'translate_object_id', $booking_product_id, 'product', false, $language );     if ( is_null( $trnsl_booking_product_id ) ) {         $trnsl_booking_product_id = '';     } }

• With:

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  if ( $booking_product_id ) {     $trnsl_booking_product_id = apply_filters( 'translate_object_id', $booking_product_id, 'product', false, $language );     if ( is_null( $trnsl_booking_product_id ) ) {         $trnsl_booking_product_id = $booking_product_id;     } }

• Then, look for line 956.
• Replace:

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  if ( is_null( $trnsl_booking_resource_id ) ) {     $trnsl_booking_resource_id = ''; }

• With:

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  if ( is_null( $trnsl_booking_resource_id ) ) {     $trnsl_booking_resource_id = $booking_resource_id; }