i have a problem then i try connect to server

[X_Freez_X]

hello why then i try connect to server write this
Deathmatch
Map: dm_overwatch
Players: 1 / 16
Build 2944
Server Number 18
COM_CheckGameDirectory: game directories don't match (hl2 / hl2mp)
Netchannel: failed processing message svc_ServerInfo.


please help me please
Sorry for my english i'm from lithuania :cheers: