This thread is resolved. Here is a description of the problem and solution.
Problem: Items in the cart are being deleted
Solution: This issue is happening because the WooCommerce products are created in secondary languages and there are no translations for them. The issue is resolved after the following steps.
1) Visit WooCommerce>>WooCommerce Multilingual>>Settings
2) Scroll down to the *Cart* section
3) Choose the *Prompt for a confirmation and reset the cart* option for *Switching languages when there are items in the cart*
4) Choose the *Prompt for a confirmation and reset the cart* option for *Switching currencies when there are items in the cart*
5) Save the changes
Relevant Documentation: https://wpml.org/forums/topic/items-in-the-cart-are-being-deleted/#post-14493585
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