Thats a bug; it doesnt happen because you edit your char...it happens randomly; and ONLY if you get DISCONNECTED (by gs or cus you exit or switch char/server) between level 37x and 400.
Its weird bug....still looking for some specific thing that triggers this issue; but so far the DC is the only 'common' thing.
Theres a 'fix' for this posted...but its not totally a fix....i wouldnt know yet...ill keep looking into this.