SteamStartValidatingUserIDTicket: No Valve Auth servers defined
L 02/16/2009 - 21:16:56: Client CVAR querying is not enabled - check MM version!
L 02/16/2009 - 21:16:56: [AMXX] Run time error 10 (plugin "anticdhack.amxx") (native "query_client_cvar") - debug not enabled!
L 02/16/2009 - 21:16:56: [AMXX] To enable debug mode, add "debug" after the plugin name in plugins.ini (without quotes).
Same error.
Could you rewrite the plugin without that query_client_cvar... i think that script can be run on steam server...