Blank screen ios

Everytime i start my app on my ios i keep getting a blank screen none of my sliders are on the screen just a white screen and i tried with a basic example the cat button but same thing blank screen and on the pc this error come’s up
unrecognized method. Irritants: (IsConnected)
Note: You will not see another error reported for 5 seconds
my ios is 16.3.1

BluetoothClient's isConnected has not been implemented for iOS as of yet.