Account Banned

Hello,
I haven't played in many months and it said my account was banned?? Please help as I have no idea what could of been wrong or gotten a ban as I haven't played in a long time.
Account Name: --snipped--
Server: Vanilla PVP
I haven't played in many months and it said my account was banned?? Please help as I have no idea what could of been wrong or gotten a ban as I haven't played in a long time.
Account Name: --snipped--
Server: Vanilla PVP