I got banned for no reason

i said my friend that i needed a good cj server he suggested this server but when i connected to the server it showed this: I dont think i need to give any other info btw its a cj server why i will do hack i never ever used hacks in any server Thats all my friends pls help me i will appriciate that Peace

TY very much buddy. Its a working community nice to see thank you again have a nice day PEACE