banned for goldadverticer

hi.
my alt name is Hypnuce lv 38 warrior, human. dis afternoon my account got banned. there was no notice from any GM. all i did is sending 15 Gold to learn skills. and i got dis ban reason "goldadverticer". dis is the fisrt time i get anything like this. and it says banned untill August 3rd 2015 19:38:11 PM. and now i still cant log in. mistake? spent 2weeks level dis char, and got banned becuase helping my smurf learn quest with no warnning?
my alt name is Hypnuce lv 38 warrior, human. dis afternoon my account got banned. there was no notice from any GM. all i did is sending 15 Gold to learn skills. and i got dis ban reason "goldadverticer". dis is the fisrt time i get anything like this. and it says banned untill August 3rd 2015 19:38:11 PM. and now i still cant log in. mistake? spent 2weeks level dis char, and got banned becuase helping my smurf learn quest with no warnning?