The error appears when i press the button in game.
#button.OnClick.AddListener null reference exception.
twin latch
gritty depotBOT
NullReferenceException means that you either never assigned an object to variable, or set it to null.
Do Debug.Log(yourVariable == null) before the line with the error to test if that's the case.
You can look into:
• https://docs.microsoft.com/en-gb/dotnet/api/system.nullreferenceexception
• https://docs.unity3d.com/Manual/NullReferenceException.html
