Libraries on the site and in the program are different

I was searching the game Bus Simulator 18 on the site and program. On the site in Lutris library, I see only OMSI 2, but in the program Lutris library, I see Bus Simulator 18 and other versions. But I have one problem. When I click install in the program it doesn’t work. I can install only when I click the install button on the site. This problem the same with other games, which I don’t see on the site Lutris library.
Please, help or explain to me what happens.

I use KDE Neon 5.20 and Lutris latest version (