Direct Password Entry Page Is Showing Page Closed

Hi Tim, this has been working fine for years (and I have no idea when it stopped working as it's now our quiet season). However the landing page I use for our schools customers to directly enter the gallery password it is saying the page is unavailable. When I look at the page when logged into the admin it shows as below. Any idea what might be causing this? - and how do I "open" the page? I have been experimenting with the new QR code system, so I'm not sure if it is linked to that. I have also tried entering Sytist via the QR code - and it takes me direct to the relevant gallery with no problems. It is only the manual code entry page that is giving a problem. The code entry page page is at www.cpschools.co.uk   I'm on the latest SW version.

It means you changed that page status to Closed. 

Thank you Tim. I had inadvertantly archived the landing page along with a load of other galleries I really did want to archive. Mia culpa!! Now sitting here feeling rather embarrassed.....