sorry Im new in sketch up . I have a question ,when i install Layers Panel 1.2.1 in sketch up 2016 and got problem like this it not show true panel how to solve it ,Please help me

sorry Im new in sketch up . I have a question ,when i install Layers Panel 1.2.1 in sketch up 2016 and got problem like this it not show true panel how to solve it ,Please help me
