You aren't in trouble, you just got banned for having outdated files. We just need you to download the game again to get the current patch & then take a screenshot of your MapleRoyals folder with the "date modified" column showing so we can verify you updated your files. Once you do that we can unban you & you can play again.
I'm so sorry for the late reply! I need you to go into your MapleRoyals folder & make it so that it looks something like this, I have also put in some red arrows pointing to where to click to make it so you can see the "date modified" column showing that we need to see. Spoiler: Like this
The path for you should be; This PC > OS (C: ) > Program Files (x86) > MapleRoyals Take a screenshot of that for us & you should be good to go.