How can i make a campaign?

How can i make a campaign?

Hy!
I would like to ask from u that how can i combine my maps to a campaign. I already made game cache file and etc but the editor says that i combine the maps invalid.

Please help me!
Kérlek segítsetek!

(Sorry if the sentences are jabber but I'm a hungarian student and my English isn't perfect everytime)

Go into the world editor, click on campaign editor (F7) and go to File- New campaign
Ctrl-A is Add map
Have fun

Thanks for the quick help but a i know this thing so far.
My problem that:I already made the game cache file. When I clikk to add map the editor load the map, but it colour the map name into red and it write to me that the map is invalid.
Can u help me? I hope.
Bye

this thread will surely help you with your problem