ArmA 2 OA ACE / Play withSix

[xprolithium 10]

I am attempting to run an ACE server with beta using play withsix, when i join ,it kicks me out for a "keys not signed" error, in the RPT file this is all that shows:

"=====================================================================
== C:\Program Files (x86)\Steam\SteamApps\common\Arma 2 Operation Arrowhead\Expansion\beta\arma2oaserver.exe
== "Expansion\beta\arma2oaserver.exe" -port=2338 -config=TrainingServer\training.cfg -cfg=TrainingServer\trbasic.cfg -profiles=TrainingServer -mod=Expansion;Expansion\beta;Expansion\beta\expansion;@ace;@acex;@acex_ru;@acex_usnavy;@cba_co;@3lb_f22;@glt_missilebox;@snr;
=====================================================================
Exe timestamp: 2013/06/17 13:11:17
Current time: 2013/06/17 13:17:48

Version 1.62.106400
Updating base class ->ParachuteBase, by ca\air_e\config.bin/CfgVehicles/Parachute_US_EP1/"

How can i fix this issue?