[Решено] out of stock product location

Background of the issue:
I am trying to manage the out-of-stock product location on my site скрытая ссылка. I am using WPML.

Symptoms:
Out of stock product location is shown as empty.

Questions:
Why is the out-of-stock product location shown as empty?
How can I fix the issue with the out-of-stock product location?