Problem: If you're experiencing an issue where the resource count in your inventory drops twice as much as expected when booking an activity with a resource using WooCommerce Booking, this might be due to a known issue. Solution: We recommend checking if your issue matches the known problem described here: WooCommerce Bookings Max Bookings Per Block Not Working Correctly. If this matches, please update WooCommerce Multilingual & Multicurrency to the latest version (5.5.1 or higher), as this issue has been resolved in these updates.
If the solution provided here is outdated or does not apply to your case, we highly recommend checking related known issues at https://wpml.org/known-issues/, verifying the version of the permanent fix, and confirming that you have installed the latest versions of themes and plugins. If you still need assistance, please open a new support ticket at WPML support forum.