banned ban help

Dear Cubecraft Support or someone who is able to help me, A several years ago I got banned from your server. But this was not my doing, my little brother did this on my account, without my consent or knowledge. After this incident, I submitted an apeal to the permantely ban. Unfortunatly this...

So I had just created an account, I went into the cube, I started the minecraft when I went to the server and it appeared: So I went to the site to try to solve this so it appeared that I had never entered the server, and I never really did, but I still banned it. https://imgur.com/a/sNQoLqY

So today I was playing cube craft team egg wars and I was banned by the anti-cheat I was not cheating it did not even list why I was banned I was wondering if I could have some staff assistance please, thank you. My ban id is xxxx

So guys today i got banned at Feb 22, 2019 8:52:43 AM I went straight away to https://appeals.cubecraft.net To appeal my ban I made everything right till it asked for the appeal code so I typed it and kept trying capitals smalls and everything it is not working says incorrect appeal code how can...