Some orders missing in the dashboard

Hi.
System Status do not return any problems.
All plugings are up to date. None of them where updated during holidays. But during that time some orders got to db and emails and not appearing in dashboard. There are processing ones and completed.

When I did conflict test it turned out that Woocommerce Polylang Integration somehow causes the problem

The page I need help with: [log in to see the link]