Thank you for the explain and here is the results. When the char is in combat i cannot make a trade. 2nd i go to coliseum as you told. Make a trade,put a weapon for trade,confirm and then i cannot attack with any of the chars (but i can move) i made allot of mixed tries and in some cases i can start to attack before and after the confirm button and complete the trade after few secconds as you told,the item is traded but the stats are not bugged and actually that work only on zones as coli/arena because i tried just outside town and i cannot attack no matter i do.... so seems the bug is not working for me. Anyway i appreciate the explaining you gave me,thank you.