CS:GO dedicated server unreserved lobby

I am having a trouble with my CS:GO server, when someone trying to join the server this message pops up in the console.It's a windows server.

Quote:Connecting to public(78.92.170.223:27015) ...
718.872: Sending UDP connect to public IP 78.92.170.223:27015
Server using 'public' lobbies, requiring pw no, lobby id 0
RememberIPAddressForLobby: lobby 0 from address 78.92.170.223:27015
Grace request retry for unreserved server...
Retrying public(78.92.170.223:27015) ...
718.904: Sending UDP connect to public IP 78.92.170.223:27015
Server using 'public' lobbies, requiring pw no, lobby id 0
RememberIPAddressForLobby: lobby 0 from address 78.92.170.223:27015
Server approved grace request...
Retrying connection to 78.92.170.223:27015, server requires lobby reservation but is unreserved.
Received game details information from 78.92.170.223:27015...
Adding direct connect IP to reservation 78.92.170.223:27015
[MM] Sending reservation request to 192.168.0.100:27015
[MM] Sending reservation request to 78.92.170.223:27015

Can anybody help me? I get this message too :
If I join to 192.168.0.100 I get this error:

Quote:3141.394: Sending UDP connect to public IP 192.168.0.100:27015
Server using 'public' lobbies, requiring pw no, lobby id 18600008f8ebe8e
RememberIPAddressForLobby: lobby 18600008f8ebe8e from address 192.168.0.100:27015
STEAM validation rejected