Why does it say I got added to banned list

[the acheiver]

So hello I can kick out for no reason cause I typed in the chat !calladmin when there was a cheater in the server. It said to me I was banned then I got a screen shot of it.

 

[the acheiver]

This my report of him

Declined - Report against https://steamcommunity.com/profiles/76561199496135057 (100% crit server)

Username: the acheiver Who are you reporting? jeaimer3169 What server game mode is the report concerned with? 100% crit server What is the accused persons's SteamID? https://steamcommunity.com/profiles/76561199496135057 What is the reason of the report? He is aimbotting and wall hacking Any...

blackwonder.tf

 

[the acheiver]

I did the calladmin on him a second later I kicked saying I am banned but I can connect to other servers when I did nothing wrong to report the a cheater in the server