"The game was not found"

[Ninja_Duels]

Hello, when i play my map, there come a error message "The game was not found". I have no idea about that the problem is.
Please help me.

 

[Teelo]

Are you seeing this when you try to host/join this map using over a LAN (not single player, not bnet)?
If so, your firewall is blocking you.

 

[Ninja_Duels]

I can not open at single/lan/bnet, and i can host.