Checkmate extension keeps loading, nothing happens..

hello everyone so I'm just testing check my uh Sapphire extension and if you tap on this extension button in bottom left so here you have this Checkmate extension available which you can just tap and yeah here then it's available for you um but then if you want to remove it just tap again on extensions manage extension and then just um and turn it off so something like that um yeah you can also turn that off again