Disconnect server

Hello!
When i start my server, login:
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i choose the server (Game) and click:
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notice is "client version doesn't exist", i click Login01, command and write "/vchkoff" and next i againt try join on server and disconnect "error 10053...
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Please help me. Pm on skype kuba.zacharek1 or in comments:)

Thanks and regards!

Your game.exe conflicts with your ps_game.exe your game.exe does not coincide with the episode ps_game.exe. Write which episode you are using on the server and on the client?