trade server

I joined a trade_plaza server, looked at someone, and then i got banned for having known cheat cvars (even when i dont know what it is). What did i do wrong?

Greetings, fellow players. I have been utilizing Wonderland's trade servers (mainly on Trade Plaza 2-maps) for some time and most of the time I have had great time: from meeting new faces and socializing to trading items (as expected) and doing decent amount of funny stuff with not-so-serious...