It seems Discord doesn't tell ban reason to banned players, idek why, will work on it. You have been banned from Discord too for Server IP advertising, you have uploaded OVER 30 SCREENSHOTS directly advertising other servers IP adresses at one of the server channels.
"ClydeBOT - Today at 6:00 PM
Your message could not be delivered because you don't share a server with the recipient or you disabled direct messages on your shared server, recipient is only accepting direct messages from friends, or you were blocked by the recipient.
Only you can see this — delete this message."