problem with connected scenes

[nouff28172440]

in the scene1 i make movieclip to go to the  scene2  .. and its work good :

stop();

Object(this).jj.addEventListener(MouseEvent.CLICK, nono);

function nono (e:MouseEvent):void{

  gotoAndStop(1,"s2");

  }

--------------------------------------------------------------------------------------------------

but in scene2 i make another  movieclip to return to the  scene1  .. i write same code but  its  dose not work why ? and the output become error?! what should i do

stop();

Object(this).gg.addEventListener(MouseEvent.CLICK, toto);

function toto (e:MouseEvent):void{

  gotoAndStop(1,"s1");

  }

the output massage:

TypeError: Error #1010: A term is undefined and has no properties.

  at Untitled_1_fla::MainTimeline/frame2()

  at flash.display::MovieClip/gotoAndStop()

  at Untitled_1_fla::MainTimeline/nono()

[kglad]

disable advanced layers (modify>document>untick 'use advanced layers').

info about advanced layers: https://helpx.adobe.com/animate/using/timeline-layers.html#advanced-layers