Resolved

Reported for: WooCommerce Multilingual 3.6.11

Resolved in: WooCommerce Multilingual 3.7

Symptoms

The WC Bookings Calendar in the backend has in the list all the languages of a specific booking.

Steps for reproducing it.

Create a bookable product
Go to WCML and translate it
Open a new browser (for not being log in as an admin) and make a reservation in the default language for this product
Go to the backend as an admin in WC Bookings > Calendar.
You can see in the list 2 reservation one for each language.
In the Booking List ( Bookings > All Bookings) you can see only one per language

Workaround

This was fixed in WooCommerce Multilingual 3.7-beta3 available form the WPML.org downloads page.

Also, this patch needs to be applied to WooCommerce Bookings 1.7.13.
https://wpml.org/wp-content/uploads/2015/10/0001-Fix-a-bug-for-WCML-Calendar-synchronization.patch_.zip
The fix will be available in the next WooCommerce Bookings version by default.