need help Cant play ranked

I have a day ban from comp because of this.I was in a game and 2 of my teammates got kicked then I did as-well. Now I cannot play ranked because of this error code I got mid game I’ve had this for the past hour or 2. I took a break came back and 24 hour ban,it is not my internet I checked that and everyone else is to so if u can remove my 23 hour comp ban