The+ironted glue,+having+nature+negotiation,+it is+challengeable+per+i+vices+of+will. ++ the error+relevant+is+the one+relevant+to the+training+of the+will+of the+referees,+that is configured+when these+they have+they had+a+false+representation+of the+reality+per+not+( Roversia+o+per+have+supposed+others+non -existent,+or+per+having+data+like+contested+facts+peaceful+or+vice versa,+while it is+precluded+each+appeal+ For+errors+of+right,+is+in+order+to+evaluation+of the+tests,+that+in+reference+to the+suitability+of the+decision+adopted+a+compose+the+dispute.