this means they have suspended ur account while they decide to ban you or not
i would submit a nexon support ticket and pray to every god u can think of that nexon might even see it. Other then that, strap on ur panties and make a new account like everyone else.
source of knowledge. I am proud to say i have been banned from nexon over 1000 times now. I got an excell document full of fake and banned accounts from over 2 years of play XD