Yeah, a screenshot of the events would definitely help, because I don't understand what exactly the problem is. Or even better if you could share your project file.
With some help, I was able to get the layers bug working. I did used an instance variable, but it just took me a couple of days just to figure out on how to use it. Thank you!
If you asked what category is the Main Game bug. That means that he's helping me fix the errors as I make progress for the game