Yes the site was using WordPress 5.9 as at the time of the ticket yesterday but now is on 5.9.1. All themes and plugins are up to date and I am using PHP Version 7.4. It’s generating a number of errors a day and I have checked this morning and they are still ongoing. I haven’t been able to work out if it is happening on a recurring basis or if activity on the site/admin triggers it (or both).
Thanks v. much