[סגור] Translated scheduled posts miss their schedule (and don't get published)

Background of the issue:
I am trying to schedule translated posts to be automatically published on a specific date. The original posts are published as expected, but the translated versions miss their schedule. The issue can be seen on this page: קישור נסתר

We have since published that example URL so it is currently online (manual intervention).

We have since disabled the default way that WordPress publishes scheduled posts. We've done this by putting this in our wp-config.php:

define( 'DISABLE_WP_CRON', true );

And then via our host (Siteground), we've setup a server-side cron job that runs every minute. This works for English posts (original language), but didn't work for the translated posts unfortunately.

Symptoms:
Translated posts miss their scheduled publishing date and do not get published automatically. They do appear in a homepage carousel of our latest posts, but link to a preview page making them inaccessible to non-logged-in users. We have to manually publish the translated posts.

Questions:
Why do translated posts miss their scheduled publishing date?
How can I ensure translated posts are published automatically like the original posts?