Cron and schedules disappeared | WordPress.org

After the last plugin update, some cron and some previously entered schedules unexpectedly disappeared.

Also, when adding a cron schedule, it appears to be inserted correctly but nothing is actually saved (see attached image)

I believe that the update has reset the inserted cron schedules and, due to the lack of them, the cron events have been deleted.

Can you please verify and fix the problem?
The plugin is very useful and it is unfortunate that some features are no longer available because of these errors

 

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