How to disable gamemode voting?

I just want to play prop hunt with my friend in a non-dedicated hamachi server, but I can’t because every time the 10th round passes it gives me gamemode voting and my game crashes, how could I dissable it? Please help me, also I don’t know a lot of LUA.

Please help me guys because I need this fast, thank you.

[editline]1st December 2013[/editline]

Please somebody!

[editline]1st December 2013[/editline]

I have tried doing everything, I even deleted the gmchange files in fretta but it still starts the gamemode vote, PLEASE help me!!!

[editline]1st December 2013[/editline]

PLEASE somebody!!!