Why did i get banned???

[FrozeN]

[AMXBans] =============================================== 
[AMXBans] You have been banned from this Server by Admin . : : Arabian-Servers.Com : : . [Dust2Only]. 
[AMXBans] There are 6 days , 23 hours , 59 minutes and 40 seconds left of your ban. 
[AMXBans] Banned Nickname : -L|S- Fro[Z]eNNN` 
[AMXBans] Reason : ' Cheating [#3] ' 
[AMXBans] You can complain about your ban @ www.arabian-servers.com 
[AMXBans] Your SteamID : ' STEAM_0 : 0 : 196761842 ' 
[AMXBans] Your IP : ' 46.43.117.173 ' 
[AmxBans] Server : . : : Arabian-Servers.Com : : . [Dust2Only] ( de_dust2 ) 
[AmxBans] Created in : 05/27/2018 - 03 : 33 : 10 
[AmxBans] Expiry in : 06/03/2018 - 03 : 33 : 10 
[AMXBans] =============================================== 
Missing RIFF/WAVE chunks
Kicked : You are BANNED. Check your console.

That's the first time i play in this server , I am a steamer , I got banned by the server automatically for some reason , anyone can explain for me what the hell is this about , lol