maybe a wrong baned

DearStaff.
my guild's member a lv 60 mage ID:Miketom were baned yesterday,We dont know why..
we think maybe yesterday,
he Tradinged 36 stacks thorium components.. by Four transactions .
get 200 gold.
so,we think maybe the traders‘s 200 gold was off- Line Trading
that make my friend banned ?
it a big loss for me.and my guild...
hope and Pls,relieve my friend account
Mage NAME: MIketom
USERID:********************
my guild's member a lv 60 mage ID:Miketom were baned yesterday,We dont know why..
we think maybe yesterday,
he Tradinged 36 stacks thorium components.. by Four transactions .
get 200 gold.
so,we think maybe the traders‘s 200 gold was off- Line Trading
that make my friend banned ?
it a big loss for me.and my guild...
hope and Pls,relieve my friend account
Mage NAME: MIketom
USERID:********************