This is a popular server and this bug needs to be fixed. The bug just started a few days ago and before that the server was not blocked by this error.

When opening the server page here https://www.gametracker.com/server_info/bf1942.team-simple.org:14571/

The error says "we could not find the server you requested."
"The IP:Port requested is invalid."

But the port is valid and the server is working and often has players.

Moved: Not a Gametracker bug

C:\>ping bf1942.team-simple.org
Ping request could not find host bf1942.team-simple.org. Please check the name and try again.

"The IP:Port requested is invalid."

The server is listed under servers. But when you click into the server you get an error saying invalid port.

The server name is "NEW" SIMPLE | Tanks a lot!"
The IP is 37.187.92.162

The name of the server does not resolve to an IP...that is true.

The server is in the database but it's detail page is not working. It was working about a week ago and has worked for years. Just a few days ago it stopped working. I think this is a bug.

@chimaera500

Regardless of it ever appearing to have worked, you have added a dns name that doe not point to any IP address and Gametracker has automatically used that when creating the updated link to the server.
It will never work with that dns name in the link unless it points to the correct IP address.