kenanb@kenanb ~/Applications/factor $ ./factor Error in thread 34 (Listener, [ ~listener-gadget~ ~quotation~ ~quotation~ bi ]): Generic word focusable-child* does not define a method for the POSTPONE: f class. Dispatching on object: f (U) Quotation: [ set-namestack init-catchstack self quot>> call -> stop ] (O) Word: listener-thread (O) Word: listener (O) Word: (listener) (U) Quotation: [ 2dup [ ~quotation~ dip dup terminated?>> ~quotation~ ~quotation~ if ] 2dip -> rot [ 2drop ] [ wrong-values ] if ] (U) Quotation: [ [ ~quotation~ dip dip ] dip -> dup terminated?>> [ 2drop f ] [ dup in>> length swap out>> length check-datastack ] if ] (U) Quotation: [ swap [ call ] dip -> ] Word: dip (O) Word: show-popup (O) Word: request-focus (O) Word: focusable-child (O) Method: M\ object focusable-child* (O) Word: no-method (O) Method: M\ object throw (U) Quotation: [ OBJ-CURRENT-THREAD special-object error-thread set-global continuation -> error-continuation set-global [ original-error set-global ] [ rethrow ] bi ]