What a ban on eune

I play the game as usual, but the best friend I was this morning at 9 bronze IV I had a promo bronze III I won both promo and maybe around 9:30 congratulates me that I bronze III awesome but then you give me the ok jumps 74 games chat ban and 35 daft Pick what the hell is that? I did not do anything I would not normally back please Czechoslovak forum I do not understand.