We'll create fresh WordPress site with Missed Schedule WordPress Plugin Fix installed. You have 20 minutes to test the plugin after that site we'll be deleted.
Fast Fix “Missed Shedule” messages from wp post an publish posts
This plugin will check every 10 minutes, if there are items in the database that match the problem described.
To not use too many resources in one session, only fix 30 items per session.
All articles with problems will be solved in future sessions, until no longer exist.